California Department of Water Resources
Division of Flood Management

Snow Course Measurements for April 2001

April measurements received as of Saturday, April 7, 06:01 PM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1946-1995. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Hart for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  1 Parks Creek               6,700	28-MAR	 46.0	 19.5	42%	 36.5	 53%	
  2 Little Shasta             6,200	29-MAR	 12.9	  4.5	35%	 19.8	 23%	
  3 Sweetwater                5,850	28-MAR	 18.2	  6.7	37%	 13.6	 49%	
                                                Basin Average Pct. of April 1:  42%
                              Scott River Basin
  5 Middle Boulder 1          6,600	02-APR	 48.0	 16.0	33%	 31.0	 52%	
417 Box Camp                  6,450	31-MAR	 26.8	 12.1	45%	 35.6	 34%	
311 Middle Boulder 3          6,200	02-APR	 44.4	 17.3	39%	 27.2	 64%	
  4 Etna Mountain             5,900	02-APR	  6.0	  2.1	35%	 31.6	  7%	
298 Dynamite Meadow           5,700	02-APR	 38.0	 10.2	27%	 18.0	 57%	
285 Swampy John               5,500	02-APR	 16.0	  6.0	37%	 36.4	 16%	
                                                Basin Average Pct. of April 1:  38%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	28-MAR	 54.2	 26.8	49%	 32.9	 81%	
 10 Red Rock Mountain         6,700	29-MAR	 71.4	 31.2	44%	 42.8	 73%	
 11 Bear Basin                6,500	29-MAR	 73.6	 34.6	47%	 37.8	 92%	
 12 Shimmy Lake               6,400	29-MAR	 85.3	 52.9	62%	 48.8	108%	
 13 Wolford Cabin             6,150	01-APR	 60.0	 25.3	42%	 35.3	 72%	
 16 Highland Lakes            6,030	29-MAR	 73.9	 37.0	50%	 33.5	110%	
 15 Mumbo Basin               5,650	29-MAR	 43.5	 17.7	41%	 23.3	 76%	
 14 Whalan                    5,400	29-MAR	 61.4	 29.8	49%	 20.6	145%	
 17 Big Flat (Course)         5,100	29-MAR	 17.3	  4.4	25%	 14.5	 30%	
                                                Basin Average Pct. of April 1:  87%
                              Eel River Basin
 63 Plaskett Meadows          6,000	30-MAR	 32.7	 15.3	47%	 17.1	 89%	
                                                Basin Average Pct. of April 1:  89%
                              Sacramento River Basin
 18 Mount Shasta              7,900	28-MAR	 88.9	 42.6	48%	 52.1	 82%	
 20 North Fork Sacramento     6,900	28-MAR	 40.3	 19.8	49%	 24.0	 83%	
 19 Sand Flat                 6,800	28-MAR	 64.3	 32.5	51%	 41.8	 78%	
 21 Gray Rock Lakes           6,200	28-MAR	102.0	 50.2	49%	 46.1	109%	
 22 Slate Creek               5,700	29-MAR	 83.9	 43.5	52%	 29.3	148%	
                                                Basin Average Pct. of April 1: 100%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	29-MAR	 56.0	 26.2	47%	 35.2	 74%	
 25 Stouts Meadow             5,400	28-MAR	 72.4	 38.2	53%	 37.7	101%	
 26 Ash Creek                 5,000	29-MAR	 40.7	 18.0	44%	 19.0	 95%	
 27 Dead Horse Canyon         4,500	30-MAR	 24.0	 10.5	44%	 11.4	 92%	
                                                Basin Average Pct. of April 1:  91%
                              Pit River Basin
 30 Cedar Pass                7,100	26-MAR	 13.2	  4.4	33%	 17.3	 25%	
 28 Blue Lake Ranch           6,800	26-MAR	  9.3	  3.0	32%	 10.6	 28%	
 31 Blacks Mountain           6,700	30-MAR	  0.0	  0.0		  8.0	  0%	
 32 Medicine Lake             6,700	02-APR	 35.3	 13.6	39%	 32.0	 43%	
 33 Thousand Lakes            6,500	29-MAR	 42.5	 17.4	41%	 34.0	 51%	
 35 Adin Mountain             6,200	26-MAR	 19.2	  5.2	27%	 12.8	 41%	
 34 Snow Mountain             6,050	29-MAR	 40.8	 17.9	44%	 32.2	 56%	
343 New Manzanita Lake        5,900	01-APR	 13.9	  5.9	42%	  7.3	 81%	
 37 Mcelroy Pass              5,300	30-MAR	  0.0	  0.0		  1.5	  0%	
 41 Burney Springs            4,700	30-MAR	  0.0	  0.0		  2.0	  0%	
                                                Basin Average Pct. of April 1:  32%
                              Stony Cr Basin
 62 Anthony Peak              6,200	29-MAR	 56.4	 24.8	44%	 28.6	 87%	
                                                Basin Average Pct. of April 1:  87%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	27-MAR	109.1	 47.1	43%	 79.8	 59%	
361 Kettle Rock               7,300	30-MAR	 17.9	  8.0	45%	 23.1	 35%	
 48 Mount Dyer 1              7,100	27-MAR	 42.8	 17.0	40%	 25.3	 67%	
359 Grizzly Ridge             6,900	29-MAR	 32.2	 12.7	39%	 29.7	 43%	
279 Eureka Bowl               6,800	27-MAR	 51.3	 23.4	46%	 42.3	 55%	
388 Pilot Peak (DWR)          6,800	28-MAR	 60.3	 31.6	52%	 45.0	 70%	
 75 Church Meadows            6,700	27-MAR	 36.3	 15.2	42%	 32.4	 47%	
360 Mount Hough               6,700	28-MAR	 39.8	 16.9	42%	 29.5	 57%	
280 Rowland Creek             6,700	26-MAR	 20.8	  6.6	32%	 17.3	 38%	
 53 Three Lakes               6,250	27-MAR	 67.0	 32.9	49%	 40.1	 82%	
 51 Harkness Flat             6,200	27-MAR	 32.7	 13.2	40%	 28.5	 46%	
 52 Eureka Lake               6,200	27-MAR	 36.9	 15.8	43%	 31.8	 50%	
290 Mount Dyer 2              6,050	27-MAR	 25.8	 10.3	40%	 16.1	 64%	
 54 Mill Creek Flat           5,900	27-MAR	 68.3	 30.1	44%	 38.6	 78%	
387 Fredonyer Pass 3          5,850	29-MAR	  0.0	  0.0		  2.0	  0%	
353 Frenchman Cove            5,800	27-MAR	  0.0	  0.0		  2.3	  0%	
355 Abbey                     5,650	26-MAR	 11.2	  3.9	35%	  8.8	 44%	
354 Antelope Ridge            5,650	29-MAR	  0.0	  0.0		  3.2	  0%	
 55 Mount Stover              5,600	27-MAR	 14.0	  6.4	46%	 16.0	 40%	
 49 Letterbox                 5,600	27-MAR	 87.3	 42.3	48%	 48.7	 87%	
 58 Feather River Meadow      5,400	27-MAR	 34.6	 13.7	40%	 22.6	 61%	
 56 Browns Camp               5,400	27-MAR	 32.9	 16.5	50%	 23.1	 71%	
 59 Warner Creek              5,100	27-MAR	 18.9	  7.5	40%	 14.9	 50%	
434 Humbug Summit 2           4,850	27-MAR	 33.9	 14.0	41%			
 61 Chester Flat              4,600	29-MAR	  1.4	  0.5	36%	  6.5	  8%	
                                                Basin Average Pct. of April 1:  48%
                              Yuba River Basin
 64 Webber Peak               7,800	27-MAR	 55.6	 23.2	42%	 43.2	 54%	
 65 Castle Creek 5            7,400	29-MAR	 58.9	 26.7	45%	 51.6	 52%	
 67 Red Mountain              7,200	26-MAR	 69.4	 32.6	47%	 50.1	 65%	
 66 Meadow Lake               7,200	26-MAR	 74.6	 32.6	44%	 54.9	 59%	
 68 English Mountain          7,100	27-MAR	 64.2	 29.8	46%	 44.1	 68%	
 69 Donner Summit             6,900	26-MAR	 44.6	 20.2	45%	 38.4	 53%	
 76 Furnace Flat              6,700	26-MAR	 71.4	 33.0	46%	 47.1	 70%	
 74 Yuba Pass                 6,700	30-MAR	 28.9	 11.6	40%	 29.4	 39%	
 78 Findley Peak              6,500	27-MAR	 46.4	 20.7	45%	 28.9	 72%	
 77 Lake Fordyce              6,500	26-MAR	 61.6	 29.0	47%	 39.9	 73%	
389 Robinson Cow Camp         6,480	28-MAR	 57.2	 27.0	47%	 43.0	 63%	
390 Sunnyside Meadow          6,300	28-MAR	 81.0	 40.6	50%	 56.0	 73%	
 80 Cisco                     5,900	26-MAR	 42.0	 18.9	45%	 26.2	 72%	
372 Chapman Creek             5,850	30-MAR	 33.7	 14.6	43%	 23.0	 63%	
 83 Bowman Lake               5,650	27-MAR	 33.2	 15.2	46%	 21.8	 70%	
391 Lexington                 5,600	30-MAR	 62.8	 29.1	46%	 28.8	101%	
277 Gibsonville               5,400	26-MAR	 69.9	 32.3	46%	 28.9	112%	
 85 Lake Spaulding            5,200	26-MAR	 42.0	 19.0	45%	 21.8	 87%	
429 Chalk Bluff               4,850	27-MAR	  5.0	  2.4	48%			
                                                Basin Average Pct. of April 1:  69%
                              American River Basin
106 Upper Carson Pass         8,500	30-MAR	 42.0	 13.5	32%	 35.4	 38%	
331 Lower Carson Pass         8,400	30-MAR	 45.9	 18.9	41%	 38.4	 49%	
107 Caples Lake (DWR)         8,000	30-MAR	 38.0	 13.7	36%	 30.3	 45%	
365 Alpha                     7,600	27-MAR	 37.6	 17.9	48%	 33.4	 54%	
338 Lost Corner Mountain      7,500	27-MAR	 47.0	 18.0	38%	 34.8	 52%	
108 Echo Summit               7,450	29-MAR	 34.1	 13.5	40%	 35.4	 38%	
110 Lake Audrain              7,300	29-MAR	 43.8	 18.2	42%	 35.4	 51%	
111 Darrington                7,100	30-MAR	 30.6	 12.7	42%	 29.9	 42%	
109 Silver Lake               7,100	29-MAR	 20.2	  8.4	42%	 21.4	 39%	
316 Wrights Lake              6,900	27-MAR	 42.0	 17.0	40%	 31.8	 53%	
113 PHillips                  6,800	30-MAR	 30.0	 13.1	44%	 28.1	 47%	
320 Lyons Creek               6,700	27-MAR	 47.7	 20.4	43%	 31.2	 65%	
115 Huysink                   6,600		Scheduled for measurement by US Bureau of Reclamation
289 Tamarack Flat             6,550	30-MAR	 36.3	 14.8	41%	 27.1	 55%	
114 Wabena Meadows            6,300	29-MAR	 59.0	 25.9	44%	 41.1	 63%	
369 Miranda Cabin             6,200	29-MAR	 50.1	 23.2	46%	 39.3	 59%	
120 Onion Creek               6,100	29-MAR	 19.4	  8.2	42%	 19.3	 42%	
371 Diamond Crossing          6,050	29-MAR	 23.4	  9.5	41%	 22.8	 42%	
122 Talbot Camp               5,750	29-MAR	 19.7	  8.4	43%	 20.1	 42%	
322 Robbs Valley              5,600	29-MAR	 17.9	  8.6	48%	 17.4	 49%	
127 Ice House                 5,300	29-MAR	  3.0	  1.2	40%	  6.8	 18%	
                                                Basin Average Pct. of April 1:  47%
                              Mokelumne River Basin
323 Highland Meadow           8,700	26-MAR	 70.8	 29.9	42%	 46.7	 64%	
364 Tragedy Creek             8,150	29-MAR	 54.9	 23.9	44%	 44.4	 54%	
129 Blue Lakes                8,000	26-MAR	 58.1	 22.1	38%	 35.3	 63%	
131 Wheeler Lake              7,800	26-MAR	 76.5	 34.3	45%	 52.3	 66%	
132 Pacific Valley            7,500	26-MAR	 50.8	 21.9	43%	 37.9	 58%	
133 Corral Flat               7,200	29-MAR	 60.4	 28.1	47%	 39.5	 71%	
363 Podesta                   7,200	29-MAR	 55.8	 26.2	47%	 44.2	 59%	
134 Bear Valley Ridge 1       6,700	26-MAR	 42.6	 18.2	43%	 24.2	 75%	
435 Lumberyard 2              6,500	29-MAR	 19.8	  9.0	45%			
136 Hams Station              5,500	31-MAR	  0.0	  0.0		  6.3	  0%	*
137 Antelope Springs          4,350	31-MAR	  5.5	  2.3	42%	  3.4	 68%	*
                                                Basin Average Pct. of April 1:  64%
                              Stanislaus River Basin
345 Deadman Creek             9,250	27-MAR	 57.6	 23.2	40%	 34.3	 68%	
344 Clark Fork Meadow         8,900	27-MAR	 59.5	 23.2	39%	 38.6	 60%	
427 Gianelli Meadow           8,400	31-MAR	 76.8	 33.4	43%	 50.0	 67%	
138 Lower Relief Valley       8,100	27-MAR	 63.3	 28.0	44%	 38.8	 72%	
139 Soda Creek Flat           7,800	27-MAR	 29.6	 12.0	41%	 21.4	 56%	
384 Stanislaus Meadow         7,750	26-MAR	 60.5	 27.1	45%	 45.0	 60%	
140 Eagle Meadow              7,500	27-MAR	 40.1	 15.5	39%	 23.3	 67%	
142 Herring Creek             7,300	27-MAR	 44.4	 18.8	42%	 27.4	 69%	
143 Relief Dam                7,250	27-MAR	 31.9	 12.5	39%	 19.3	 65%	
416 Bloods Creek              7,200	30-MAR	 43.2	 17.8	41%	 32.0	 56%	
432 Sapps Hollow              6,950	02-APR	 42.6	 18.3	43%			
430 Corral Meadow             6,650	02-APR	 27.5	 12.2	44%	 19.0	 64%	
373 Hells Kitchen             6,550	30-MAR	 21.4	  8.4	39%	 21.6	 39%	
386 Black Springs             6,500	30-MAR	 31.4	 14.2	45%	 22.1	 64%	
145 Niagara Flat              6,500	27-MAR	 29.6	 11.5	39%	 19.6	 59%	
                                                Basin Average Pct. of April 1:  62%
                              Tuolumne River Basin
157 Dana Meadows              9,800	27-MAR	 51.0	 21.0	41%	 30.4	 69%	
158 Rafferty Meadows          9,400	28-MAR	 48.0	 17.0	35%	 30.9	 55%	
159 Bond Pass                 9,300	26-MAR	 63.6	 25.4	40%	 45.0	 56%	
368 New Grace Meadow          8,900	27-MAR	 76.1	 31.0	41%	 47.9	 65%	
161 Tuolumne Meadows          8,600	29-MAR	 32.0	 17.0	53%	 22.4	 76%	
162 Horse Meadow              8,400	26-MAR	 64.7	 35.7	55%	 47.0	 76%	
163 Wilmer Lake               8,000	27-MAR	 60.8	 24.9	41%	 42.2	 59%	
165 Sachse Springs            7,900	28-MAR	 61.8	 27.3	44%	 37.5	 73%	
164 Spotted Fawn              7,800	28-MAR	 73.0	 32.2	44%	 45.0	 72%	
166 Huckleberry Lake          7,800	27-MAR	 60.1	 26.4	44%	 41.1	 64%	
167 Paradise Meadow           7,650	28-MAR	 55.4	 24.2	44%	 39.0	 62%	
348 Kerrick Corral            7,000	30-MAR	 40.2	 18.4	46%	 21.4	 86%	
169 Vernon Lake               6,700	28-MAR	 32.5	 13.4	41%	 22.8	 59%	
168 Upper Kibbie Ridge        6,700	29-MAR	 26.7	 12.3	46%	 18.7	 66%	
173 Lower Kibbie              6,700	29-MAR	 38.0	 17.3	46%	 26.2	 66%	
171 Beehive Meadow            6,500	29-MAR	 39.2	 16.8	43%	 24.0	 70%	
172 Bell Meadow               6,500	30-MAR	 23.2	 10.8	47%	 16.7	 65%	
                                                Basin Average Pct. of April 1:  67%
                              Merced River Basin
176 Snow Flat                 8,700	30-MAR	 54.0	 28.0	52%	 43.4	 65%	
177 Ostrander Lake            8,200	01-APR	 50.6	 23.0	45%	 33.4	 69%	
178 Tenaya Lake               8,150	30-MAR	 44.0	 18.0	41%	 32.4	 56%	
179 Gin Flat                  7,000	25-MAR	 62.7	 28.8	46%	 31.8	 91%	
180 Peregoy Meadows           7,000	26-MAR	 59.2	 24.0	41%	 30.5	 79%	
                                                Basin Average Pct. of April 1:  72%
                              San Joaquin River Basin
182 Mono Pass                11,450	27-MAR	 41.1	 13.6	33%	 30.7	 44%	
183 Piute Pass               11,300	26-MAR	 57.7	 22.7	39%	 35.8	 63%	
184 Emerald Lake             10,600	28-MAR	 56.9	 20.1	35%	 34.8	 58%	
276 Pioneer Basin            10,400	27-MAR	 52.1	 17.5	34%	 33.2	 53%	
185 Heart Lake               10,100	27-MAR	 52.6	 19.6	37%	 27.2	 72%	
186 Volcanic Knob            10,050	29-MAR	 46.5	 16.3	35%	 29.5	 55%	
187 Rose Marie               10,000	27-MAR	 48.3	 17.4	36%	 28.5	 61%	
188 Colby Meadow              9,700		Scheduled for measurement by Southern California Edison Company, Big Creek
189 Agnew Pass                9,450	26-MAR	 69.4	 27.5	40%	 31.0	 89%	
191 Dutch Lake                9,100	27-MAR	 46.2	 17.7	38%	 27.2	 65%	
190 Kaiser Pass               9,100	27-MAR	 57.3	 21.4	37%	 38.5	 56%	
192 Coyote Lake               8,850	28-MAR	 52.1	 19.9	38%	 31.2	 64%	
193 Cora Lakes                8,400	28-MAR	 62.1	 26.5	43%	 36.1	 73%	
346 Badger Flat               8,300	29-MAR	 42.0	 18.2	43%	 30.0	 61%	
194 Nellie Lake               8,000	28-MAR	 62.5	 24.0	38%	 35.0	 69%	
324 Lake Thomas A Edison      7,800	27-MAR	 19.2	  7.9	41%	 14.2	 56%	
196 Chilkoot Lake             7,450	27-MAR	 70.5	 29.2	41%	 36.1	 81%	
347 Tamarack Creek            7,250	26-MAR	 44.3	 21.3	48%	 23.9	 89%	
198 Florence Lake             7,200	27-MAR	 13.6	  5.5	40%	  7.7	 71%	
197 Chilkoot Meadow           7,150	27-MAR	 77.8	 34.0	44%	 35.7	 95%	
200 Clover Meadow             7,000	27-MAR	 39.9	 17.3	43%	 22.4	 77%	
199 Huntington Lake           7,000	26-MAR	 39.4	 16.1	41%	 18.6	 87%	
201 Jackass Meadow            6,950	27-MAR	 39.5	 23.7	60%	 23.1	103%	
202 Chiquito Creek            6,800	27-MAR	 45.2	 20.1	44%	 21.2	 95%	
204 Poison Meadow             6,800	27-MAR	 63.9	 29.8	47%	 24.0	124%	
                                                Basin Average Pct. of April 1:  73%
                              Kings River Basin
222 Bishop Pass              11,200	27-MAR	 59.3	 24.9	42%	 33.2	 75%	
299 Charlotte Ridge          10,700	31-MAR	 49.7	 21.3	43%	 31.0	 69%	
307 Bullfrog Lake            10,650	31-MAR	 43.2	 19.0	44%	 30.0	 63%	
398 Bench Lake               10,600	28-MAR	 46.6	 18.0	39%	 29.0	 62%	
223 Blackcap Basin           10,300	28-MAR	 56.3	 20.3	36%	 32.8	 62%	
396 Rattlesnake Creek Ba      9,900	29-MAR	 45.8	 19.5	43%	 39.1	 50%	
225 Beard Meadow              9,800	28-MAR	 52.2	 21.3	41%	 31.9	 67%	
224 Upper Burnt Corral        9,700	26-MAR	 59.1	 22.6	38%	 36.1	 63%	
397 Scenic Meadow             9,650	28-MAR	 34.5	 15.2	44%	 25.0	 61%	
229 Round Corral              9,000	29-MAR	 50.4	 21.2	42%	 36.0	 59%	
226 Rowell Meadow             8,850	28-MAR	 45.6	 21.2	46%	 25.6	 83%	
227 Woodchuck Meadow          8,800	29-MAR	 48.2	 18.6	39%	 30.2	 62%	
232 Long Meadow (Kings R)     8,500	26-MAR	 48.5	 20.2	42%	 27.9	 72%	
426 Courtright                8,350	26-MAR	 60.3	 22.9	38%	 32.0	 72%	
233 Statum Meadow             8,300	28-MAR	 51.8	 24.2	47%	 30.3	 80%	
230 Helms Meadow              8,250	26-MAR	 40.8	 15.4	38%	 25.2	 61%	
234 Post Corral Meadow        8,200	26-MAR	 39.5	 15.3	39%	 25.2	 61%	
308 Dodsons Meadow            8,050	26-MAR	 45.1	 21.5	48%	 28.0	 77%	
236 Big Meadows               7,600	28-MAR	 35.4	 22.6	64%	 26.0	 87%	
237 Horse Corral Meadow       7,600	28-MAR	 26.1	 11.9	46%	 15.8	 75%	
239 Fred Meadow               6,950	29-MAR	 35.2	 15.7	45%	 20.6	 76%	
240 Grant Grove               6,600	01-APR	 16.5	  7.7	47%	 13.5	 57%	
                                                Basin Average Pct. of April 1:  68%
                              Kaweah River Basin
292 Farewell Gap              9,500	28-MAR	 50.4	 21.9	43%	 34.5	 63%	
243 Panther Meadow            8,600	26-MAR	 78.3	 30.9	39%	 36.3	 85%	
244 Hockett Meadows           8,500	30-MAR	 33.3	 18.3	55%	 27.4	 67%	
245 Mineral King              8,000	27-MAR	 28.9	 15.9	55%	 20.1	 79%	
246 Giant Forest              6,400	27-MAR	 35.4	 13.1	37%	 15.4	 85%	
                                                Basin Average Pct. of April 1:  76%
                              Tule River Basin
247 Quaking Aspen             7,000	30-MAR	 11.5	  4.7	41%	 12.8	 37%	
248 Old Enterprise Mill       6,600	29-MAR	 14.1	  6.4	45%	 15.2	 42%	
                                                Basin Average Pct. of April 1:  39%
                              Kern River Basin
250 Bighorn Plateau          11,350	27-MAR	 36.7	 13.1	36%	 21.9	 60%	
251 Cottonwood Pass          11,050	23-MAR	 43.6	 14.5	33%	 13.4	108%	
252 Siberian Pass            10,900	25-MAR	 40.5	 14.6	36%	 18.3	 80%	
253 Crabtree Meadow          10,700	26-MAR	 33.4	 12.7	38%	 18.8	 68%	
254 Guyot Flat               10,650	26-MAR	 33.7	 12.7	38%	 20.0	 63%	
275 Sandy Meadows            10,650	27-MAR	 27.9	 11.5	41%	 18.3	 63%	
255 Tyndall Creek            10,650	27-MAR	 33.7	 12.6	37%	 18.3	 69%	
257 Big Whitney Meadow        9,750	23-MAR	 35.3	 12.8	36%	 16.6	 77%	
256 Rock Creek                9,600	25-MAR	 28.7	 10.5	37%	 17.2	 61%	
258 Round Meadow              9,000	27-MAR	 36.0	 15.3	43%	 24.9	 61%	
259 Ramshaw Meadows           8,700	24-MAR	 25.8	  9.3	36%	 11.3	 82%	
260 Little Whitney Meadow     8,500	24-MAR	 23.5	  8.9	38%	 13.5	 66%	
264 Quinn Ranger Station      8,350	30-MAR	 23.2	 10.2	44%	 19.4	 53%	
262 Casa Vieja Meadows        8,300	27-MAR	 27.5	 11.5	42%	 19.6	 59%	
261 Bonita Meadows            8,300	27-MAR	 21.6	 10.8	50%	 13.8	 78%	
265 Beach Meadows             7,650	27-MAR	 10.7	  3.4	32%	  8.9	 38%	
249 Dead Horse Meadow         7,300	30-MAR	 11.0	  4.0	36%	 11.3	 35%	
                                                Basin Average Pct. of April 1:  66%
                              Surprise Valley Basin
378 Mount Bidwell             7,200	27-MAR	 34.0	 13.1	39%	 26.3	 50%	
313 Barber Creek              6,500	29-MAR	  9.0	  2.6	29%	 11.1	 23%	
349 Hays Canyon               6,400	29-MAR	  0.0	  0.0		  2.4	  0%	
350 49 Mountain               6,000	28-MAR	  0.0	  0.0		  3.0	  0%	
                                                Basin Average Pct. of April 1:  18%
                              Susan River Basin
 45 Silver Lake Meadows       6,450	30-MAR	 31.3	 13.8	44%	 30.2	 46%	
 46 Norvell Flat              5,700	30-MAR	 15.4	  6.0	39%	 16.5	 36%	
                                                Basin Average Pct. of April 1:  41%
                              Truckee River Basin
334 Mount Rose                9,000	28-MAR	 48.0	 18.3	38%	 35.9	 51%	
318 Squaw Valley 2            7,700	28-MAR	 58.0	 24.4	42%	 50.7	 48%	
 89 Webber Lake               7,000	27-MAR	 49.3	 20.7	42%	 32.6	 63%	
                                                Basin Average Pct. of April 1:  54%
                              Lake Tahoe Basin
 96 Lake Lucille              8,200	28-MAR	 77.0	 28.8	37%	 61.8	 47%	
 97 Rubicon Peak 1            8,100	28-MAR	 77.0	 27.4	36%	 50.4	 54%	
 99 Rubicon Peak 2            7,500	02-APR	 34.4	 12.5	36%	 31.8	 39%	
100 Freel Bench               7,300	29-MAR	  9.0	  2.9	32%	 11.5	 25%	
101 Ward Creek 2              7,000	02-APR	 39.6	 16.9	43%	 43.0	 39%	
333 Glenbrook 2 (Nevada)      6,900	30-MAR	  9.0	  2.8	31%	 12.7	 22%	
103 Richardsons 2             6,500	26-MAR	 20.0	  6.4	32%	 16.4	 39%	
104 Upper Truckee             6,400	30-MAR	  0.0	  0.0		  8.4	  0%	
                                                Basin Average Pct. of April 1:  33%
                              Walker River Basin
421 Leavitt Lake              9,600	28-MAR	 78.0	 29.8	38%	 51.0	 58%	
150 Virginia Lakes            9,400	26-MAR	 30.9	 12.9	42%	 17.0	 76%	
377 Virginia Lakes Ridge      9,300	26-MAR	 36.1	 13.1	36%	 18.9	 69%	
422 Sawmill Ridge             8,750	28-MAR	 30.0	 10.5	35%	 17.8	 59%	
152 Sonora Pass               8,750	28-MAR	 41.0	 15.7	38%	 24.8	 63%	
154 Willow Flat               8,250	28-MAR	 16.0	  5.5	34%	 10.3	 53%	
                                                Basin Average Pct. of April 1:  63%
                              Mono Lk Basin
281 Gem Pass                 10,750	26-MAR	 68.0	 26.3	39%	 32.0	 82%	
181 Tioga Pass                9,800	28-MAR	 44.4	 17.2	39%	 26.2	 66%	
287 Saddlebag Lake            9,750	28-MAR	 51.7	 18.9	37%	 31.2	 61%	
286 Ellery Lake               9,600	28-MAR	 47.8	 17.6	37%	 28.0	 63%	
282 Gem Lake                  9,150	26-MAR	 62.8	 29.1	46%	 29.9	 97%	
                                                Basin Average Pct. of April 1:  74%
                              Owens River Basin
284 Bishop Lake              11,300	28-MAR	 43.5	 17.4	40%	 21.5	 81%	
220 Cottonwood Lakes 2       11,100	28-MAR	 46.1	 16.2	35%	 14.4	113%	
212 East Piute Pass          10,800	26-MAR	 38.3	 15.9	42%	 13.6	117%	
408 Flower Lake 2            10,660	01-APR	 42.7	 19.0	44%	 30.8	 62%	
213 Sawmill                  10,200	28-MAR	 33.7	 15.2	45%	 19.0	 80%	
221 Cottonwood Lakes 1       10,150	28-MAR	 35.6	 15.4	43%	 12.5	123%	
217 Big Pine Creek 1         10,000	26-MAR	 45.7	 16.4	36%	 22.7	 72%	
209 Rock Creek 3             10,000	29-MAR	 17.6	  7.2	41%	 14.9	 48%	
218 Big Pine Creek 3          9,800	26-MAR	 39.6	 15.3	39%	 17.5	 87%	
219 Big Pine Creek 2          9,700	26-MAR	 25.3	  8.6	34%	 15.2	 57%	
214 North Lake                9,300	26-MAR	 28.5	 11.6	41%	  9.3	125%	
205 Mammoth Pass (DWR)        9,300	30-MAR	 65.8	 29.0	44%	 42.1	 69%	
423 Trailhead                 9,100	29-MAR	 28.1	 11.6	41%	 15.0	 77%	
210 Rock Creek 2              9,050	29-MAR	 12.4	  4.2	34%	 10.4	 40%	
206 Minarets 2                9,000	30-MAR	 46.9	 19.0	41%	 29.2	 65%	
211 Rock Creek 1              8,700	29-MAR	  9.2	  3.8	41%	  7.4	 51%	
208 Mammoth                   8,300	30-MAR	 33.9	 13.6	40%	 20.2	 67%	
                                                Basin Average Pct. of April 1:  79%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
April 1
North Coast 3 18 19.7" 63% 63%
Sacramento 6 81 18.0" 56% 56%
San Joaquin Valley 5 68 21.2" 68% 68%
Tulare Lake 4 46 15.7" 67% 67%
North Lahontan 3 17 14.6" 48% 48%
South Lahontan 2 22 15.8" 77% 77%
Statewide Average (weighted) 62% 62%

* This course not included in river, basin or Statewide computations.

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated every 30 minutes during the data-collection period.

hart@water.ca.gov


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Revised: April 07, 2001 06:02