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Snow Course Measurements for May 2008
May measurements received as of Sunday, May 11, 06:01 PM
Num Name Elev. Date Depth Water Density April 1 Average
Content
Scott River Basin
5 Middle Boulder 1 6,600 02-MAY 54.7 26.2 48% 32.4 81%
311 Middle Boulder 3 6,200 02-MAY 48.3 25.3 52% 28.3 89%
298 Dynamite Meadow 5,700 02-MAY 38.6 18.4 48% 18.6 99%
285 Swampy John 5,500 01-MAY 74.4 33.8 45% 34.0 99%
Basin Average Pct. of April 1: 92%
May 1: 132%
Trinity River Basin
9 Deadfall Lakes 7,200 04-MAY 43.8 23.2 53% 34.2 68%
10 Red Rock Mountain 6,700 03-MAY 68.8 43.2 63% 44.1 98%
11 Bear Basin 6,500 03-MAY 60.5 38.5 64% 39.1 98%
12 Shimmy Lake 6,400 03-MAY 62.5 38.0 61% 50.3 76%
16 Highland Lakes 6,030 03-MAY 44.5 25.0 56% 35.2 71%
437 Paradise Peak 5,800 Scheduled for measurement by Hayfork Ranger District
17 Big Flat (Course) 5,100 03-MAY 11.6 6.6 57% 13.1 50%
Basin Average Pct. of April 1: 77%
May 1: 110%
Sacramento River Basin
18 Mount Shasta 7,900 Scheduled for measurement by Mount Shasta Ranger District
19 Sand Flat (Course) 6,800 Scheduled for measurement by Mount Shasta Ranger District
22 Slate Creek 5,700 03-MAY 48.0 26.5 55% 30.1 88%
Basin Average Pct. of April 1: 88%
May 1: 122%
Mc Cloud River Basin
23 Brewer Creek 6,250 Scheduled for measurement by McCloud Ranger District
25 Stouts Meadow 5,400 04-MAY 66.9 36.4 54% 37.8 96%
Basin Average Pct. of April 1: 96%
May 1: 134%
Pit River Basin
33 Thousand Lakes 6,500 02-MAY 35.0 20.0 57% 34.6 58%
35 Adin Mountain 6,200 28-APR 12.8 5.9 46% 12.5 47%
343 New Manzanita Lake 5,900 01-MAY 5.8 2.4 41% 8.0 30%
Basin Average Pct. of April 1: 45%
May 1: 63%
Cottonwood Cr Basin
436 Bully Choop 6,100 Scheduled for measurement by Hayfork Ranger District
Stony Cr Basin
62 Anthony Peak 6,200 29-APR 63.9 32.8 51% 30.1 109%
Basin Average Pct. of April 1: 109%
May 1: 151%
Feather River Basin
47 Lower Lassen Peak 8,250 30-APR 114.0 59.1 52% 80.2 74%
361 Kettle Rock 7,300 29-APR 17.2 7.8 45% 23.4 33%
48 Mount Dyer 1 7,100 30-APR 43.0 20.9 49% 25.9 81%
359 Grizzly Ridge 6,900 25-APR 36.0 16.8 47% 30.4 55%
388 Pilot Peak (DWR) 6,800 24-APR 66.2 33.1 50% 45.5 73%
279 Eureka Bowl 6,800 28-APR 47.1 24.9 53% 42.7 58%
360 Mount Hough 6,700 29-APR 29.0 13.7 47% 30.7 45%
75 Church Meadows 6,700 28-APR 33.5 17.3 52% 30.7 56%
280 Rowland Creek 6,700 24-APR 22.9 8.7 38% 17.4 50%
53 Three Lakes 6,250 30-APR 56.8 31.8 56% 40.8 78%
52 Eureka Lake 6,200 28-APR 34.3 16.7 49% 31.7 53%
51 Harkness Flat 6,200 01-MAY 21.1 10.5 50% 28.5 37%
290 Mount Dyer 2 6,050 01-MAY 9.6 4.2 44% 16.6 25%
54 Mill Creek Flat 5,900 30-APR 49.1 24.3 49% 39.0 62%
353 Frenchman Cove 5,800 24-APR 0.0 0.0 2.1 0% *
354 Antelope Ridge 5,650 29-APR 0.0 0.0 3.0 0% *
355 Abbey 5,650 25-APR 4.1 1.4 34% 9.0 16%
49 Letterbox 5,600 30-APR 70.6 36.5 52% 49.0 74%
55 Mount Stover 5,600 30-APR 5.0 2.2 44% 14.7 15%
56 Browns Camp 5,400 30-APR 22.8 11.9 52% 23.3 51%
58 Feather River Meadow 5,400 30-APR 19.0 8.9 47% 23.1 39%
59 Warner Creek 5,100 30-APR 0.0 0.0 14.7 0%
434 Humbug Summit 2 4,850 30-APR 12.3 5.4 44% 14.3 38%
Basin Average Pct. of April 1: 48%
May 1: 67%
Yuba River Basin
64 Webber Peak 7,800 30-APR 63.0 30.7 49% 41.9 73%
65 Castle Creek 5 7,400 30-APR 61.8 30.4 49% 52.1 58%
66 Meadow Lake 7,200 24-APR 84.6 40.6 48% 55.8 73%
67 Red Mountain 7,200 01-MAY 63.1 33.0 52% 51.9 64%
68 English Mountain 7,100 29-APR 56.9 31.4 55% 45.4 69%
69 Donner Summit 6,900 29-APR 25.8 14.0 54% 38.6 36%
76 Furnace Flat 6,700 01-MAY 58.6 32.3 55% 48.4 67%
74 Yuba Pass 6,700 30-APR 4.9 1.9 39% 29.6 6%
77 Lake Fordyce 6,500 01-MAY 33.1 18.3 55% 40.9 45%
78 Findley Peak 6,500 30-APR 34.6 17.3 50% 29.8 58%
389 Robinson Cow Camp Snow 6,480 24-APR 58.8 30.6 52% 42.5 72%
390 Sunnyside Meadow 6,300 24-APR 84.7 42.5 50% 55.4 77%
80 Cisco 5,900 29-APR 21.2 10.5 50% 27.6 38%
372 Chapman Creek 5,850 30-APR 18.0 9.5 53% 23.7 40%
83 Bowman Lake 5,650 30-APR 14.0 7.1 51% 22.3 32%
391 Lexington 5,600 01-MAY 52.1 21.3 41% 30.7 69%
277 Gibsonville 5,400 01-MAY 35.6 15.7 44% 28.7 55%
85 Lake Spaulding 5,200 29-APR 34.9 16.5 47% 21.3 77%
Basin Average Pct. of April 1: 56%
May 1: 78%
American River Basin
106 Upper Carson Pass 8,500 29-APR 16.9 8.0 47% 36.2 22%
331 Lower Carson Pass 8,400 29-APR 26.3 12.7 48% 39.2 32%
107 Caples Lake (DWR) 8,000 29-APR 21.0 9.6 46% 30.8 31%
365 Alpha 7,600 29-APR 31.0 16.5 53% 33.8 49%
338 Lost Corner Mountain 7,500 30-APR 34.2 17.2 50% 36.2 48%
108 Echo Summit 7,450 01-MAY 33.1 16.1 49% 33.8 48%
110 Lake Audrain 7,300 01-MAY 36.5 18.0 49% 35.3 51%
109 Silver Lake 7,100 30-APR 1.8 0.9 50% 21.0 4%
316 Wrights Lake 6,900 29-APR 28.5 15.8 55% 32.8 48%
113 PHillips 6,800 01-MAY 3.3 1.7 52% 27.6 6%
320 Lyons Creek 6,700 20-APR 28.9 14.3 49% 31.8 45%
115 Huysink 6,600 30-APR 59.5 31.5 53% 45.0 70%
289 Tamarack Flat 6,550 01-MAY 26.3 13.8 52% 28.4 49%
114 Wabena Meadows 6,300 01-MAY 43.9 22.3 51% 42.8 52%
369 Miranda Cabin 6,200 01-MAY 31.8 16.3 51% 40.0 41%
120 Onion Creek 6,100 01-MAY 43.3 20.7 48% 19.6 106%
371 Diamond Crossing 6,050 01-MAY 5.6 2.8 50% 22.0 13%
122 Talbot Camp 5,750 01-MAY 3.7 1.8 49% 20.9 9%
322 Robbs Valley 5,600 29-APR 0.0 0.0 15.6 0%
127 Ice House 5,300 29-APR 0.0 0.0 5.8 0%
Basin Average Pct. of April 1: 36%
May 1: 50%
Mokelumne River Basin
323 Highland Meadow 8,700 29-APR 68.7 36.0 52% 48.7 74%
364 Tragedy Creek 8,150 30-APR 47.9 26.9 56% 45.0 60%
129 Blue Lakes 8,000 28-APR 50.2 25.0 50% 36.2 69%
131 Wheeler Lake 7,800 28-APR 70.3 39.0 55% 53.3 73%
132 Pacific Valley 7,500 29-APR 42.5 22.1 52% 38.9 57%
363 Podesta 7,200 30-APR 39.1 21.4 55% 44.8 48%
133 Corral Flat 7,200 30-APR 44.7 24.4 55% 40.5 60%
134 Bear Valley Ridge 1 6,700 28-APR 22.0 11.4 52% 24.6 46%
435 Lumberyard 2 6,500 30-APR 2.5 1.0 40% 13.8 7%
136 Hams Station 5,500 30-APR 0.0 0.0 5.3 0% *
137 Antelope Springs 4,350 30-APR 0.0 0.0 2.9 0% *
Basin Average Pct. of April 1: 55%
May 1: 67%
Stanislaus River Basin
345 Deadman Creek 9,250 29-APR 48.4 23.8 49% 35.1 68%
344 Clark Fork Meadow 8,900 29-APR 57.7 29.9 52% 39.8 75%
427 Gianelli Meadow 8,400 26-APR 68.9 36.0 52% 52.9 68%
138 Lower Relief Valley 8,100 29-APR 46.8 25.4 54% 39.6 64%
139 Soda Creek Flat 7,800 29-APR 8.7 4.4 51% 22.0 20%
384 Stanislaus Meadow 7,750 29-APR 51.1 26.9 53% 51.0 53%
140 Eagle Meadow 7,500 29-APR 10.1 5.5 54% 24.2 23%
142 Herring Creek 7,300 29-APR 17.0 8.7 51% 28.0 31%
143 Relief Dam 7,250 29-APR 8.3 4.2 51% 19.9 21%
416 Bloods Creek 7,200 02-MAY 21.4 10.9 51% 34.6 32%
373 Hells Kitchen 6,550 02-MAY 0.0 0.0 21.8 0%
145 Niagara Flat 6,500 29-APR 3.0 1.7 57% 19.6 9%
386 Black Springs 6,500 02-MAY 12.4 6.9 56% 22.0 31%
Basin Average Pct. of April 1: 38%
May 1: 46%
Tuolumne River Basin
157 Dana Meadows 9,800 25-APR 49.2 26.9 55% 31.1 86%
159 Bond Pass 9,300 30-APR 72.5 36.4 50% 44.9 81%
368 New Grace Meadow 8,900 27-APR 73.3 38.3 52% 48.0 80%
161 Tuolumne Meadows 8,600 30-APR 16.6 8.9 54% 22.7 39%
162 Horse Meadow 8,400 30-APR 66.5 33.9 51% 46.7 73%
163 Wilma Lake 8,000 27-APR 65.3 33.1 51% 43.2 77%
165 Sachse Springs 7,900 02-MAY 26.9 15.0 56% 38.1 39%
166 Huckleberry Lake 7,800 01-MAY 56.5 29.0 51% 41.9 69%
164 Spotted Fawn 7,800 02-MAY 58.8 30.0 51% 45.6 66%
167 Paradise Meadow 7,650 26-APR 49.6 26.8 54% 39.9 67%
348 Kerrick Corral 7,000 27-APR 18.2 9.5 52% 23.5 40%
173 Lower Kibbie 6,700 03-MAY 3.8 1.7 45% 26.0 7%
169 Vernon Lake 6,700 25-APR 23.0 11.1 48% 22.4 50%
168 Upper Kibbie Ridge 6,700 03-MAY 0.0 0.0 18.6 0%
171 Beehive Meadow 6,500 25-APR 20.2 10.2 50% 23.5 43%
172 Bell Meadow 6,500 27-APR 4.4 2.3 52% 15.5 15%
Basin Average Pct. of April 1: 52%
May 1: 63%
Merced River Basin
176 Snow Flat 8,700 28-APR 60.9 43.6 72% 44.5 98%
177 Ostrander Lake 8,200 30-APR 35.2 19.2 55% 32.6 59%
178 Tenaya Lake 8,150 27-APR 41.8 22.3 53% 33.6 66%
180 Peregoy Meadows 7,000 29-APR 45.2 21.7 48% 29.3 74%
179 Gin Flat (Course) 7,000 26-APR 34.0 18.0 53% 32.0 56%
Basin Average Pct. of April 1: 71%
May 1: 86%
San Joaquin River Basin
183 Piute Pass 11,300 30-APR 69.9 33.5 48% 37.9 88%
193 Cora Lakes 8,400 01-MAY 41.3 24.1 58% 36.3 66%
196 Chilkoot Lake 7,450 30-APR 39.2 21.6 55% 36.8 59%
197 Chilkoot Meadow 7,150 30-APR 50.8 25.0 49% 36.6 68%
200 Clover Meadow 7,000 01-MAY 13.9 7.3 53% 22.8 32%
201 Jackass Meadow 6,950 01-MAY 5.8 3.5 60% 24.0 15%
204 Poison Meadow 6,800 30-APR 24.6 14.0 57% 24.8 56%
202 Chiquito Creek 6,800 01-MAY 4.8 2.3 48% 21.7 11%
Basin Average Pct. of April 1: 49%
May 1: 60%
Kings River Basin
223 Blackcap Basin 10,300 28-APR 53.0 29.6 56% 34.1 87%
396 Rattlesnake Creek Ba 9,900 30-APR 37.2 20.8 56% 39.8 52%
225 Beard Meadow 9,800 28-APR 49.8 24.8 50% 33.3 74%
224 Upper Burnt Corral 9,700 29-APR 53.2 27.8 52% 37.8 74%
229 Round Corral 9,000 28-APR 53.2 26.6 50% 35.8 74%
227 Woodchuck Meadow 8,800 29-APR 43.3 21.0 48% 31.5 67%
232 Long Meadow (Kings R) 8,500 28-APR 32.5 18.2 56% 29.3 62%
426 Courtright 8,350 30-APR 45.4 21.4 47% 30.7 70%
234 Post Corral Meadow 8,200 28-APR 25.5 13.2 52% 26.3 50%
308 Dodsons Meadow 8,050 28-APR 27.6 14.6 53% 29.6 49%
438 Ridge Trail 7,500 03-MAY 0.0 0.0
239 Fred Meadow 6,950 30-APR 12.3 6.6 54% 21.3 31%
240 Grant Grove 6,600 Scheduled for measurement by Sequoia and Kings Canyon National Parks
Basin Average Pct. of April 1: 63%
May 1: 80%
Kaweah River Basin
292 Farewell Gap 9,500 Scheduled for measurement by Sequoia and Kings Canyon National Parks
243 Panther Meadow 8,600 29-APR 70.0 35.0 50% 36.7 95%
244 Hockett Meadows 8,500 26-APR 44.2 25.3 57% 27.5 92%
245 Mineral King 8,000 02-MAY 11.8 6.1 52% 20.6 30%
246 Giant Forest 6,400 27-APR 1.9 0.8 42% 14.7 5%
Basin Average Pct. of April 1: 56%
May 1: 71%
Tule River Basin
247 Quaking Aspen 7,000 01-MAY 1.8 1.1 61% 12.3 9%
248 Old Enterprise Mill 6,600 29-APR 7.8 3.5 45% 14.3 24%
Basin Average Pct. of April 1: 17%
May 1: 21%
Kern River Basin
250 Bighorn Plateau 11,350 30-APR 39.1 19.1 49% 23.7 81%
251 Cottonwood Pass 11,050 28-APR 18.1 9.6 53% 14.8 65%
252 Siberian Pass 10,900 28-APR 32.9 15.5 47% 20.0 78%
253 Crabtree Meadow 10,700 29-APR 17.1 8.3 49% 19.6 42%
254 Guyot Flat 10,650 29-APR 26.9 12.2 45% 20.8 59%
255 Tyndall Creek 10,650 30-APR 20.9 10.5 50% 18.8 56%
275 Sandy Meadows 10,650 30-APR 3.1 1.4 45% 19.2 7%
257 Big Whitney Meadow 9,750 27-APR 18.3 9.6 52% 17.2 56%
256 Rock Creek 9,600 28-APR 14.7 7.4 50% 17.8 42%
258 Round Meadow 9,000 04-MAY 17.3 9.2 53% 24.1 38%
259 Ramshaw Meadows 8,700 27-APR 1.0 0.5 50% 11.5 4%
260 Little Whitney Meadow 8,500 26-APR 1.5 1.0 67% 12.9 8%
264 Quinn Ranger Station 8,350 27-APR 16.8 8.4 50% 18.9 44%
249 Dead Horse Meadow 7,300 Scheduled for measurement by Hot Springs Ranger District
Basin Average Pct. of April 1: 45%
May 1: 57%
Susan River Basin
45 Silver Lake Meadows 6,450 01-MAY 22.8 12.7 56% 29.4 43%
46 Norvell Flat 5,700 01-MAY 0.0 0.0 15.1 0%
Basin Average Pct. of April 1: 22%
May 1: 25%
Truckee River Basin
89 Webber Lake 7,000 30-APR 41.7 20.8 50% 31.7 66%
Basin Average Pct. of April 1: 66%
May 1: 77%
Walker River Basin
150 Virginia Lakes 9,400 Scheduled for measurement by CA Dept of Water Resources
377 Virginia Lakes Ridge 9,300 28-APR 39.1 18.1 46% 19.5 93%
152 Sonora Pass 8,750 29-APR 23.7 11.9 50% 24.9 48%
Basin Average Pct. of April 1: 70%
May 1: 83%
Owens River Basin
212 East Piute Pass 10,800 30-APR 19.3 8.4 44% 15.2 55%
221 Cottonwood Lakes 1 10,150 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
205 Mammoth Pass (Ladwp) 9,300 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
214 North Lake 9,300 29-APR 1.6 0.6 37% 10.2 6%
Basin Average Pct. of April 1: 31%
May 1: 36%
Summary of Snow Surveys
| Region | No. Basins | No. Courses | Avg WC | % Average April 1 | % Average May 1 |
|---|---|---|---|---|---|
| North Coast | 2 | 10 | 27.8" | 83% | 119% |
| Sacramento | 6 | 66 | 16.5" | 46% | 64% |
| San Joaquin Valley | 5 | 51 | 18.8" | 50% | 61% |
| Tulare Lake | 4 | 30 | 13.6" | 51% | 65% |
| North Lahontan | 3 | 5 | 12.7" | 50% | 59% |
| South Lahontan | 1 | 2 | 4.5" | 31% | 36% |
| Statewide Average (weighted) | 51% | 67% | |||
* 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 hourly during the data-collection period.
hart@water.ca.gov