Colorado SNOTEL Precipitation Summary Update Report

Colorado SNOTEL Precipitation Summary Update Report

Based on Mountain Data from NRCS SNOTEL Sites

**Provisional data, subject to revision**

Data based on the first reading of the day (typically 00:00) for Tuesday, November 24, 2009

Basin Site Name	Elev (ft)
Basin Site Name	Elev (ft)	Month to Date Precipitation (in)	Average Monthly Total (in)	Pct of Monthly Total	Year to Date Precipitation (in)	Average Annual Total (in)	Pct of Annual total
GUNNISON RIVER BASIN
BUTTE	10160	0.6	2.7	22	2.9	27.4	11
COCHETOPA PASS	10020	0.3	N/A	*	2.1	N/A	*
COLUMBINE PASS	9400	2.1	3.3	64	3.6	34.2	11
IDARADO	9800	1.3	3.2	41	4.9	32.0	15
MC CLURE PASS	9500	1.5	3.3	45	4.7	35.2	13
MESA LAKES	10000	1.1	3.5	31	3.8	35.9	11
OVERLAND RES.	9840	1.0	2.8	36	4.1	30.8	13
PARK CONE	9600	0.8	1.9	42	2.7	22.6	12
PARK RESERVOIR	9960	1.4	4.3	33	4.4	42.8	10
PORPHYRY CREEK	10760	1.1	2.1	52	4.4	27.0	16
RED MOUNTAIN PASS	11200	1.7	4.2	40	5.6	42.5	13
SARGENTS MESA	11530	0.4	N/A	*	3.4	N/A	*
SCHOFIELD PASS	10700	1.8	5.2	35	7.3	49.8	15
SLUMGULLION	11440	0.4	2.4	17	3.2	25.0	13
UPPER TAYLOR	10640	1.0	N/A	*	5.1	N/A	*
Basin-wide percent of average		38			13
UPPER COLORADO RIVER BASIN
ARAPAHO RIDGE	10960	1.1	4.2	26	4.8	40.3	12
ARROW	9680	0.5	2.2	23	2.7	27.3	10
BEAVER CK VILLAGE	8500	1.1	2.2	50	3.0	24.3	12
BERTHOUD SUMMIT	11300	1.3	3.5	37	5.8	40.7	14
BISON LAKE	10880	2.1	4.9	43	5.6	45.9	12
BUFFALO PARK	9240	1.1	3.0	37	2.8	28.7	10
CHAPMAN TUNNEL	10110	1.2	N/A	*	4.1	N/A	*
COPPER MOUNTAIN	10550	0.7	2.6	27	3.3	29.2	11
ELLIOT RIDGE	10520	1.5	N/A	*	4.6	N/A	*
FREMONT PASS	11400	0.9	2.6	35	3.8	27.6	14
GRIZZLY PEAK	11100	0.7	2.7	26	3.2	33.2	10
HOOSIER PASS	11400	0.7	2.7	26	4.1	30.0	14
INDEPENDENCE PASS	10600	0.9	3.1	29	4.2	32.1	13
IVANHOE	10400	1.0	2.8	36	4.8	33.4	14
JONES PASS	10400	1.3	2.7	48	4.5	31.3	14
KILN	9600	0.8	2.4	33	3.3	25.8	13
LAKE IRENE	10700	0.8	3.5	23	5.1	36.3	14
LYNX PASS	8880	0.6	2.2	27	1.8	24.2	7
MC CLURE PASS	9500	1.5	3.3	45	4.7	35.2	13
MCCOY PARK	9480	2.3	2.7	85	4.4	28.2	16
MESA LAKES	10000	1.1	3.5	31	3.8	35.9	11
MIDDLE FORK CAMP	8940	1.0	1.9	53	2.7	20.9	13
NAST LAKE	8700	0.7	1.9	37	2.8	22.2	13
NORTH LOST TRAIL	9200	1.5	3.4	44	5.8	35.3	16
PHANTOM VALLEY	9030	0.6	2.4	25	3.1	26.1	12
SCHOFIELD PASS	10700	1.8	5.2	35	7.3	49.8	15
STILLWATER CREEK	8720	0.2	1.4	14	1.5	20.1	7
SUMMIT RANCH	9400	0.9	2.2	41	3.3	24.7	13
VAIL MOUNTAIN	10300	1.4	3.3	42	4.7	35.7	13
WILLOW CREEK PASS	9540	0.5	2.3	22	3.6	26.4	14
Basin-wide percent of average		36			13
SOUTH PLATTE RIVER BASIN
BEAR LAKE	9500	1.1	3.2	34	5.7	35.9	16
BUCKSKIN JOE	11150	0.5	2.5	20	3.0	31.6	9
COPELAND LAKE	8600	0.9	2.2	41	4.6	28.4	16
DEADMAN HILL	10220	1.5	2.7	56	6.2	31.7	20
ECHO LAKE	10600	1.0	2.2	45	4.2	28.0	15
HOOSIER PASS	11400	0.7	2.7	26	4.1	30.0	14
HOURGLASS LAKE	9380	0.6	N/A	*	4.7	N/A	*
JACKWHACKER GULCH	10960	0.8	2.6	31	2.9	31.7	9
JOE WRIGHT	10120	1.7	4.2	40	6.6	45.0	15
LAKE ELDORA	9700	0.9	2.3	39	4.6	29.7	15
LONG DRAW RESV	9980	0.8	N/A	*	4.7	N/A	*
LOVELAND BASIN	11400	0.8	2.8	29	3.8	33.9	11
MICHIGAN CREEK	10600	0.9	2.1	43	3.1	26.9	12
NIWOT	9910	1.0	2.3	43	4.9	33.3	15
ROUGH AND TUMBLE	10360	0.3	1.6	19	3.2	21.5	15
UNIVERSITY CAMP	10300	1.1	3.4	32	5.3	38.9	14
WILLOW PARK	10700	0.9	3.7	24	5.8	38.6	15
Basin-wide percent of average		35			14
LARAMIE AND NORTH PLATTE RIVER BASINS
ARAPAHO RIDGE	10960	1.1	4.2	26	4.8	40.3	12
COLUMBINE	9160	1.5	3.9	38	5.5	38.1	14
DEADMAN HILL	10220	1.5	2.7	56	6.2	31.7	20
JOE WRIGHT	10120	1.7	4.2	40	6.6	45.0	15
LAKE IRENE	10700	0.8	3.5	23	5.1	36.3	14
NEVER SUMMER	10280	1.1	3.9	28	4.5	42.6	11
RABBIT EARS	9400	2.6	5.0	52	5.8	47.6	12
RAWAH	9020	1.8	2.5	72	5.1	29.5	17
ROACH	9700	1.5	2.8	54	6.6	33.6	20
TOWER	10500	1.9	6.5	29	9.3	58.4	16
WHISKEY PARK	8950	2.4	4.8	50	8.2	44.9	18
WILLOW CREEK PASS	9540	0.5	2.3	22	3.6	26.4	14
ZIRKEL	9340	1.5	4.1	37	9.5	39.2	24
Basin-wide percent of average		39			16
YAMPA AND WHITE RIVER BASINS
BATTLE MOUNTAIN	7440	1.8	2.4	75	3.9	25.4	15
BEAR RIVER	9080	1.2	N/A	*	3.4	N/A	*
BISON LAKE	10880	2.1	4.9	43	5.6	45.9	12
BUFFALO PARK	9240	1.1	3.0	37	2.8	28.7	10
BURRO MOUNTAIN	9400	1.5	3.4	44	3.9	35.0	11
COLUMBINE	9160	1.5	3.9	38	5.5	38.1	14
CROSHO	9100	1.0	2.5	40	2.9	28.7	10
DIVIDE PEAK	8880	2.3	3.4	68	7.6	33.4	23
DRY LAKE	8400	2.0	4.2	48	5.7	38.6	15
ELK RIVER	8700	1.8	2.9	62	5.0	32.4	15
LITTLE SNAKE RIVER	8915	2.7	N/A	*	9.5	N/A	*
LOST DOG	9320	1.8	4.2	43	7.6	43.4	18
LYNX PASS	8880	0.6	2.2	27	1.8	24.2	7
RABBIT EARS	9400	2.6	5.0	52	5.8	47.6	12
RIPPLE CREEK	10340	1.4	4.6	30	4.3	46.5	9
SANDSTONE RS	8150	1.8	3.1	58	4.2	30.8	14
TOWER	10500	1.9	6.5	29	9.3	58.4	16
TRAPPER LAKE	9700	1.4	3.2	44	4.0	35.8	11
WHISKEY PARK	8950	2.4	4.8	50	8.2	44.9	18
Basin-wide percent of average		45			14
ARKANSAS RIVER BASIN
APISHAPA	10000	0.6	2.2	27	4.1	27.7	15
BRUMLEY	10600	0.5	2.2	23	3.2	26.2	12
FREMONT PASS	11400	0.9	2.6	35	3.8	27.6	14
GLEN COVE	11460	1.1	N/A	*	5.6	N/A	*
HAYDEN PASS	10720	1.1	N/A	*	6.3	N/A	*
PORPHYRY CREEK	10760	1.1	2.1	52	4.4	27.0	16
SAINT ELMO	10540	0.6	N/A	*	3.8	N/A	*
SOUTH COLONY	10800	1.3	3.4	38	5.6	42.7	13
WHISKEY CK	10220	0.9	2.6	35	3.8	33.6	11
Basin-wide percent of average		35			13
UPPER RIO GRANDE BASIN
BEARTOWN	11600	1.4	4.5	31	5.8	41.6	14
COCHETOPA PASS	10020	0.3	N/A	*	2.1	N/A	*
CULEBRA #2	10500	0.7	2.3	30	3.1	28.5	11
CUMBRES TRESTLE	10040	2.5	4.1	61	5.4	39.7	14
GRAYBACK	11620	1.0	N/A	*	5.0	N/A	*
HAYDEN PASS	10720	1.1	N/A	*	6.3	N/A	*
LILY POND	11000	1.5	3.6	42	4.7	33.8	14
MEDANO PASS	9649	-M	1.4	*	3.7	28.9	13
MIDDLE CREEK	11250	0.8	4.2	19	4.9	41.5	12
MOON PASS	11140	0.3	N/A	*	2.8	N/A	*
SARGENTS MESA	11530	0.4	N/A	*	3.4	N/A	*
TRINCHERA	10860	0.7	1.9	37	3.0	22.3	13
UPPER RIO GRANDE	9400	0.1	2.0	5	2.3	22.7	10
UTE CREEK	10650	1.4	2.6	54	5.7	31.2	18
WOLF CREEK SUMMIT	11000	2.5	5.6	45	7.1	53.0	13
Basin-wide percent of average		38			13
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
CASCADE	8880	0.9	3.4	26	3.4	35.0	10
COLUMBUS BASIN	10785	1.5	4.6	33	4.1	53.9	8
EL DIENTE PEAK	10000	1.9	3.0	63	3.9	35.2	11
LIZARD HEAD PASS	10200	1.4	2.7	52	3.5	32.5	11
LONE CONE	9600	1.7	3.3	52	4.1	35.8	11
MANCOS	10000	1.4	3.1	45	2.9	34.6	8
MINERAL CREEK	10040	1.1	2.9	38	3.9	32.7	12
MOLAS LAKE	10500	1.3	3.1	42	4.4	35.8	12
RED MOUNTAIN PASS	11200	1.7	4.2	40	5.6	42.5	13
SCOTCH CREEK	9100	1.4	2.7	52	3.2	31.4	10
SHARKSTOOTH	10720	1.6	N/A	*	3.6	N/A	*
SPUD MOUNTAIN	10660	1.9	4.9	39	5.3	50.2	11
STUMP LAKES	11200	0.8	3.7	22	3.9	40.9	10
UPPER SAN JUAN	10200	2.1	5.5	38	5.6	52.1	11
VALLECITO	10880	0.7	3.3	21	3.1	36.8	8
WOLF CREEK SUMMIT	11000	2.5	5.6	45	7.1	53.0	13
Basin-wide percent of average		40			11

-M = Missing data.
* = Analysis may not provide a valid measure of conditions.
N/A = No average available.

The % Monthly Total represents the precipitation accumulated from the 1st day of the current
month through the current day found at selected SNOTEL sites in or near the basin compared
to the average total precipitation for the current month for those sites.

The % Annual Total represents the precipitation accumulated from the start of the water year
(Oct 1) through the current day found at selected SNOTEL sites in or near the basin compared
to the average total precipitation for the entire water year for those sites.

Contact your state water supply staff for assistance.

Reference period for average conditions is 1971-2000.

Provisional data, subject to revision.