Colorado SNOTEL Snow/Precipitation Update Report

Colorado SNOTEL Snow/Precipitation 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 Friday, June 09, 2023

Basin Site Name	Elev (ft)	Snow Water Equivalent			Water Year-to-Date Precipitation
Basin Site Name	Elev (ft)	Current (in)	Median (in)	Pct of Median	Current (in)	Median (in)	Pct of Median
GUNNISON RIVER BASIN
Butte	10200	-M	0.0	*	23.2	18.8	123
Cochetopa Pass	10061	-M	0.0₍₁₆₎	*	-M	10.6₍₁₆₎	*
Columbine Pass	9171	-M	0.0	*	47.6	27.2	175
Idarado	9812	0.0	0.0	*	25.7	23.9	108
Mc Clure Pass	8774	0.2	0.0	*	32.5	24.5	133
Mesa Lakes	10168	-M	0.0	*	36.3	26.6	136
Overland Res.	9893	-M	0.0	*	-M	20.0	*
Park Cone	9621	-M	0.0	*	-M	14.0	*
Park Reservoir	9987	27.5	0.8	3438*	51.2	30.8	166
Porphyry Creek	10788	0.2	0.0	*	24.1	20.5	118
Red Mountain Pass	11080	9.3	0.7	1329*	37.2	31.8	117
Sargents Mesa	11499	0.0	0.0₍₁₂₎	*	17.6	16.2₍₁₂₎	109
Schofield Pass	10653	16.6	1.3	1277*	49.6	37.6	132
Slumgullion	11560	0.0	0.0	*	17.6	17.4	101
Upper Taylor	10717	-M	0.0₍₁₁₎	*	26.6	22.5₍₁₁₎	118
Wager Gulch	11132	0.0	N/A	*	17.6	N/A	*
Basin Index (%)		1921*			131
UPPER COLORADO RIVER BASIN
Arapaho Ridge	10976	8.6	4.2₍₁₈₎	205	31.5	29.7₍₁₈₎	106
Bear River	9112	-M	0.0₍₁₆₎	*	18.5	18.1₍₁₆₎	102
Beaver Ck Village	8565	0.1	0.0₍₁₇₎	*	19.7	19.1₍₁₇₎	103
Berthoud Summit	11314	4.6	1.6	288*	32.9	31.6	104
Bison Lake	10964	25.0	12.0	208	42.4	32.7	130
Buffalo Park	9249	-M	0.0₍₂₅₎	*	19.4	21.1₍₂₅₎	92
Chapman Tunnel	10100	0.0	0.0₍₁₃₎	*	23.1	23.1₍₁₃₎	100
Columbine	9167	-M	0.0	*	31.9	32.2	99
Copper Mountain	10523	0.1	0.0	*	18.9	22.4	84
Elliot Ridge	10549	0.0	0.0₍₁₁₎	*	32.7	N/A	*
Fool Creek	11156	9.5	N/A	*	24.2	N/A	*
Fremont Pass	11326	9.3	8.2	113	20.5	21.7	94
Grizzly Peak	11139	0.2	0.0	*	21.3	24.2	88
High Lonesome	10638	0.0	N/A	*	27.2	N/A	*
Hoosier Pass	11611	2.8	0.0	*	19.1	21.5	89
Independence Pass	10598	0.0	0.0	*	22.6	23.0	98
Ivanhoe	10541	0.0	0.0₍₂₉₎	*	27.3	27.4₍₂₉₎	100
Jones Pass	10426	0.0	0.2₍₂₁₎	0*	26.1	26.4₍₂₁₎	99
Kiln	9624	0.0	0.0	*	19.4	18.6	104
Lake Irene	10682	0.4	1.1	36*	29.8	28.0	106
Lynx Pass	8919	-M	0.0	*	18.2	17.4	105
Mc Clure Pass	8774	0.2	0.0	*	32.5	24.5	133
Mccoy Park	9516	0.0	0.0₍₁₈₎	*	25.5	21.8₍₁₈₎	117
Mesa Lakes	10168	-M	0.0	*	36.3	26.6	136
Middle Fork Camp	8969	0.5	0.0₍₁₉₎	*	19.6	20.0₍₁₉₎	98
Nast Lake	8731	0.2	0.0	*	17.5	15.6	112
North Lost Trail	9219	0.2	0.0	*	33.0	27.0	122
Overland Res.	9893	-M	0.0	*	-M	20.0	*
Park Reservoir	9987	27.5	0.8	3438*	51.2	30.8	166
Phantom Valley	9045	0.1	0.0	*	17.1	18.6	92
Schofield Pass	10653	16.6	1.3	1277*	49.6	37.6	132
Stillwater Creek	8880	-M	N/A	*	16.9	14.2	119
Summit Ranch	9371	0.1	0.0	*	18.0	17.8	101
Vail Mountain	10310	0.4	0.0	*	24.2	27.6	88
Willow Creek Pass	9523	0.0	0.0	*	22.5	19.2	117
Basin Index (%)		330*			109
SOUTH PLATTE RIVER BASIN
Bear Lake	9522	0.0	0.0	*	27.5	26.4	104
Berthoud Summit	11314	4.6	1.6	288*	32.9	31.6	104
Black Mountain	8980	0.0	0.0₍₁₀₎	*	21.9	20.6₍₁₀₎	106
Buckskin Joe	11166	0.0	0.0₍₂₁₎	*	15.4	18.2₍₂₁₎	85
Copeland Lake	8555	0.0	0.0	*	20.9	20.5	102
Deadman Hill	10239	0.2	1.6	12*	26.5	25.0	106
Echo Lake	10694	0.2	0.0₍₂₂₎	*	16.8	17.2₍₂₂₎	98
Hoosier Pass	11611	2.8	0.0	*	19.1	21.5	89
Hourglass Lake	9417	0.2	0.0₍₁₂₎	*	19.8	19.0₍₁₂₎	104
Jackwhacker Gulch	11054	0.0	0.0₍₂₂₎	*	21.7	23.0₍₂₂₎	94
Joe Wright	10158	9.1	8.0	114	34.5	35.4	97
Lake Eldora	9728	0.0	0.0	*	25.6	24.0	107
Lake Irene	10682	0.4	1.1	36*	29.8	28.0	106
Long Draw Resv	10008	0.0	0.4₍₁₁₎	0*	22.5	23.6₍₁₁₎	95
Loveland Basin	11427	2.9	4.2₍₂₈₎	69	21.3	25.1₍₂₈₎	85
Michigan Creek	10702	0.1	0.0₍₂₂₎	*	17.9	21.4₍₂₂₎	84
Niwot	9979	0.3	0.0	*	24.2	23.4	103
Rough And Tumble	10432	0.1	0.0₍₂₂₎	*	10.9	12.4₍₂₂₎	88
Sawtooth	9676	5.2	N/A	*	36.9	N/A	*
University Camp	10360	6.4	4.6	139	29.1	28.4	102
Wild Basin	9439	0.1	0.0₍₁₅₎	*	26.1	23.6₍₁₅₎	111
Willow Park	10732	1.6	0.0	*	33.1	29.8	111
Basin Index (%)		135*			100
LARAMIE AND NORTH PLATTE RIVER BASINS
Arapaho Ridge	10976	8.6	4.2₍₁₈₎	205	31.5	29.7₍₁₈₎	106
Blackhall Mtn	9839	4.6	14.5₍₁₁₎	32	43.2	41.3₍₁₁₎	105
Columbine	9167	-M	0.0	*	31.9	32.2	99
Deadman Hill	10239	0.2	1.6	12*	26.5	25.0	106
Joe Wright	10158	9.1	8.0	114	34.5	35.4	97
Never Summer	10323	11.0	11.2₍₁₈₎	98	25.3	24.4₍₁₈₎	104
Rawah	9069	0.0	0.0₍₁₈₎	*	22.7	22.0₍₁₈₎	103
Roach	9740	0.1	0.0	*	27.3	26.5	103
Tower	10620	22.4	23.6	95	58.3	51.2	114
Whiskey Park	9020	0.0	0.0	*	39.9	37.0	108
Willow Creek Pass	9523	0.0	0.0	*	22.5	19.2	117
Zirkel	9338	-M	0.0₍₁₈₎	*	39.3	36.8₍₁₈₎	107
Basin Index (%)		89*			106
YAMPA AND WHITE RIVER BASINS
Battle Mountain	7498	0.0	0.0	*	24.7	20.0	124
Bear River	9112	-M	0.0₍₁₆₎	*	18.5	18.1₍₁₆₎	102
Bison Lake	10964	25.0	12.0	208	42.4	32.7	130
Buffalo Park	9249	-M	0.0₍₂₅₎	*	19.4	21.1₍₂₅₎	92
Burro Mountain	9317	0.3	0.0	*	32.1	26.2	123
Columbine	9167	-M	0.0	*	31.9	32.2	99
Crosho	8973	0.2	0.0	*	23.7	21.2	112
Divide Peak	8730	0.0	0.0	*	33.7	27.1	124
Dry Lake	8271	0.1	0.0	*	35.5	32.3	110
Elk River	8739	-M	0.0	*	31.9	24.9	128
Elkhead Divide	8800	0.1	N/A	*	35.5	N/A	*
Little Snake River	8928	0.0	0.0₍₁₆₎	*	49.0	42.0₍₁₆₎	117
Lost Dog	9327	-M	0.0₍₂₂₎	*	34.7	31.8₍₂₂₎	109
Lynx Pass	8919	-M	0.0	*	18.2	17.4	105
Old Battle	9860	25.9	17.2	151	47.8	43.3	110
Rabbit Ears	9411	0.1	0.0	*	39.6	39.5	100
Ripple Creek	10350	15.0	5.1	294	42.3	33.0	128
Sage Creek Basin	7850	0.0	0.0₍₁₉₎	*	23.7	17.0₍₁₉₎	139
Sandstone RS	8152	0.0	0.0	*	28.8	22.4	129
Tower	10620	22.4	23.6	95	58.3	51.2	114
Trapper Lake	9759	0.0	N/A	*	25.7	25.4	101
Whiskey Park	9020	0.0	0.0	*	39.9	37.0	108
Basin Index (%)		154*			114
ARKANSAS RIVER BASIN
Apishapa	10027	-M	0.0	*	14.8	18.2	81
Brumley	10594	-M	0.0	*	16.8	18.2	92
Fremont Pass	11326	9.3	8.2	113	20.5	21.7	94
Glen Cove	11391	-M	0.0₍₁₆₎	*	19.8	17.4₍₁₆₎	114
Hayden Pass	10699	0.0	0.0₍₁₃₎	*	17.5	19.4₍₁₃₎	90
Medano Pass	9668	0.1	0.0₍₂₅₎	*	18.0	17.1₍₂₅₎	105
Porphyry Creek	10788	0.2	0.0	*	24.1	20.5	118
Saint Elmo	10450	-M	0.0₍₁₃₎	*	18.9	17.2₍₁₃₎	110
South Colony	10868	0.0	0.0₍₂₉₎	*	29.8	28.7₍₂₉₎	104
Ute Creek	10734	0.0	0.0₍₂₀₎	*	20.0	21.6₍₂₀₎	93
Whiskey Ck	10290	-M	0.0	*	19.8	21.2	93
Basin Index (%)		117*			99
UPPER RIO GRANDE BASIN
Beartown	11600	-M	0.0	*	34.2	29.4	116
Cochetopa Pass	10061	-M	0.0₍₁₆₎	*	-M	10.6₍₁₆₎	*
Culebra #2	10562	0.1	0.0	*	17.5	19.0	92
Cumbres Trestle	10035	0.0	0.0	*	39.0	29.9	130
Grayback	11626	0.0	N/A	*	24.5	21.2₍₁₆₎	116
Hayden Pass	10699	0.0	0.0₍₁₃₎	*	17.5	19.4₍₁₃₎	90
Lily Pond	11069	0.0	0.0	*	25.6	23.4	109
Medano Pass	9668	0.1	0.0₍₂₅₎	*	18.0	17.1₍₂₅₎	105
Middle Creek	11269	-M	0.0	*	31.3	26.6	118
Moon Pass	11128	-M	0.0₍₁₂₎	*	10.6	11.2₍₁₂₎	95
North Costilla	10598	0.5	0.0	*	16.4	18.3	90
San Antonio Sink	9143	-M	N/A	*	14.0	N/A	*
Sargents Mesa	11499	0.0	0.0₍₁₂₎	*	17.6	16.2₍₁₂₎	109
Shuree	10092	-M	0.0₍₁₀₎	*	11.7	12.4₍₁₀₎	94
Slumgullion	11560	0.0	0.0	*	17.6	17.4	101
Trinchera	10922	0.0	0.0	*	16.1	16.8	96
Upper Rio Grande	9379	0.0	0.0	*	16.0	12.4	129
Ute Creek	10734	0.0	0.0₍₂₀₎	*	20.0	21.6₍₂₀₎	93
Wager Gulch	11132	0.0	N/A	*	17.6	N/A	*
Wolf Creek Summit	10957	7.8	10.9	72	48.0	38.4	125
Basin Index (%)		78*			109
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
Beartown	11600	-M	0.0	*	34.2	29.4	116
Black Mesa	11564	28.4	N/A	*	39.0	N/A	*
Cascade	8880	-M	0.0	*	-M	23.6	*
Cascade #2	9012	-M	0.0	*	29.4	22.5	131
Columbine Pass	9171	-M	0.0	*	47.6	27.2	175
Columbus Basin	10781	8.4	0.0₍₂₆₎	*	42.0	31.4₍₂₆₎	134
El Diente Peak	10217	-M	0.0	*	34.7	24.8	140
Lizard Head Pass	10193	0.0	0.0	*	23.8	20.4	117
Lone Cone	9755	0.0	0.0	*	31.2	23.8	131
Mancos	10044	-M	0.0₍₂₆₎	*	27.8	21.0₍₂₆₎	132
Mineral Creek	10046	0.1	0.0	*	25.9	21.7	119
Molas Lake	10631	-M	0.0	*	29.5	24.3	121
Red Mountain Pass	11080	9.3	0.7	1329*	37.2	31.8	117
Scotch Creek	9195	0.0	0.0	*	28.9	21.0	138
Sharkstooth	10747	-M	0.0₍₁₆₎	*	41.3	26.6₍₁₆₎	155
Spud Mountain	10674	5.5	0.0	*	48.1	35.1	137
Stump Lakes	11248	0.1	0.0	*	31.8	23.7	134
Upper San Juan	10140	-M	0.0	*	48.0	39.1	123
Vallecito	10782	-M	0.0	*	29.6	21.8	136
Weminuche Creek	10749	-M	0.0₍₁₀₎	*	35.0	25.6₍₁₀₎	137
Wolf Creek Summit	10957	7.8	10.9	72	48.0	38.4	125
Basin Index (%)		269*			132

-M = Missing data.
* = Analysis may not provide a valid measure of conditions.
N/A = Not available.

Footnotes for median and average:
(##) = If less than 30 years are available, this value specifies the number of years used for the median and average calculations.
Sites with less than 10 years available do not have medians or averages.

If the Basin Index (%) percent value is flagged as potentially invalid,
care should be taken to evaluate if the value is representative
of conditions in the basin.

The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the
snowpack were melted, expressed in inches.

The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches.

Contact your state water supply staff for assistance.

Medians and averages are calculated for the period 1991-2020.

Provisional data, subject to revision.

* Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median or average for the day is less than 10% of the maximum median or average value for the year.

* Basin - More than half of the stations for a basin with normals report missing or invalid data.

The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100.

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