CoCoRaHS Data Explorer

Viewing Station: CO-SU-6 : Silverthorne 2.1 WSW

Dec 10, 2002 - Mar 14, 20265,285 Total Observations

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Observation Data Tables

Date Range to Display

Daily Precip73
Multi-day Precip0
Significant Weather0
Hail0
Condition Monitoring0

2026-03-14

7:00 AM

0.00

0.0

2.0

0314260700 As BKN 20+ mi 36º 35% RH WSW 7+18 kt Tmxmn 49 33ºF Ac Sc SCT v BKN ALL DAY DEPTH 2.0 (0 0 8 2 0) INCHES 40% COVER RAPID MELT, SUBLIMATION NO RUNOFF DRIFTS 6-24 INCHES ROTTEN SNOW.

2026-03-13

7:00 AM

0.00

0.0

4.2

0313260700 Sc Ac SCT v BKN 20+ mi 33º 44% RH WSW 6+25 KT Tmxmn 43 23ºF AcL Sc SCT Depth 4.2 (0 0 10) inches 50% cover RAPID MELT, SUBLIMATION NO RUNOFF.

2026-03-12

7:00 AM

0.02

0.2

5.2

0312260700 AcL SCT V BKN 20+ MI W 5+20 KT Tmxmn 38 16ºF Ns SW AM Ac Sc SCT v BKN PM New 0.2 SWE 0.02 Depth 5.2 (0 0-12) inches 65% COVER RAPID MELT, SUBLIMATION NO RUNOFF

2026-03-11

8:00 AM

0.27

4.8

9.3

0311260800 Ns S- S- - 1 mi 18º 84% RH Calm + SW 22 kt Tmxmn 52 18ºF AcL Cu Cu+ SCT v BKN all day As Ns 2200 SBGN 2330 New 4.8 SWE 0.27 Depth 9.3 (4.8-15) inches

2026-03-10

8:00 AM

0.00

0.0

4.8

0310260800 AcL Cs SCT 20+ mi 34º 50% RH Calm + SW 16 kt Tmxmn 49 28ºF CLR all day. Depth 4.8 (0 0 8) inches 60% cover Rapid melt sublimation NO RUNOFF !!

2026-03-09

8:30 AM

0.00

0.0

8.0

0309260830 MDT AcL SCT 20+ MI 32º 51% RH CALM + W 11 KT Tmxmn 47 17ºF CLR all day. Depth 8.0 (0-12) inches. 70% cover rapid melt and sublimation

2026-03-08

7:00 AM

0.00

0.0

11.2

0308260730 CLR 20+ mi 19º 65% RH Calm + W 10 kt Tmxmn 35 11ºF CLR Fc all day Depth 11.2 (6-15) inches 90% cover Melting and Sublimation

2026-03-07

7:00 AM

0.39

2.8

12.8

0307260700 CLR 20+ MI 10º 75% RH. Calm + WNW 6 kt Tmxmn 26 9ºF Ns S- S S+ all day New 2.8 SWE 0.39 DEPTH 12.8 (8-17) inches

2026-03-06

7:00 AM

0.15

2.0

10.4

0306260700 Ns S S+ 0.2 mi 23º 84% RH Calm + SW 17 kt Tmxmn 44 22ºF Ac Cs SCT Fc SCT SBGN 0300 New 2.0 SWE 0.15 Depth 10.4 (2-16) inches

2026-03-05

8:00 AM

0.00

0.0

8.0

0305260800 As Cs SCT 20+ mi 34º 47% RH W 2+20 kt Tmxmn 47 29º CLR all day. Depth 8.0 (0-13) inches 65% Cover Rapid Melting Sublimation

2026-03-04

7:00 AM

0.00

0.0

9.8

0303260700 Ns S- - 2 mi 30º 88% RH Calm + W 20 kt Tmxmn 50 28ºF Ac As BKN AM SCT PM SBGN 0245 -0700 max 0430 - 0400-0430 New 1.3 SWE 0.08 Depth 10.6 (6-14) inches 70% cover

2026-03-03

7:00 AM

0.08

1.3

10.6

0303260700 Ns S- - 2 mi 30º 88% RH Calm + W 20 kt Tmxmn 50 28ºF Ac As BKN AM SCT PM SBGN 0245 -0700 max 0430 - 0400-0430 New 1.3 SWE 0.08 Depth 10.6 (6-14) inches

2026-03-02

7:00 AM

0.00

0.0

10.6

0302260700 Ac Cs BKN 20+ mi 32º64%RH NNW 2+W 17 kt Tmxmn 44 29ºF Sc BKN Cs OVC. Depth 10.6 (6-14) inches 80% Cover

2026-03-01

7:00 AM

0.05

0.8

11.2

0301260700 Ns S- - 2 mi 30º 90% RH Calm + NNE 10 Tmaxmin 50 23ºF. Cs SCT Cs OVC New 0.8 SWE 0.05 Depth 11.2 (6-15) inches SW- S- 0300-0700+

2026-02-28

7:00 AM

0.00

0.0

12.6

0228260700 Cs SCT 20+ MI 27º 66% RH CALM + W 14 KT Tmxmn 46 21ºC Cs OVC CLR DEPTH 12.6 (9-16) INCHES 90% COVER

2026-02-27

7:00 AM

0.02

0.2

14.4

0227260700 Cs SCT 20+ MI 22º 79% RH Calm + SW 20kt Tmxmn 39 26ºC Ns SW- BS AM Sc BKN SCT CLR NEW 0.2 SWE 0.02 DEPTH 14.4 ( 10-17) INCHES FROZEN HARDPACK

2026-02-26

8:00 AM

0.52

4.0

15.2

0226260800 Ns S+ 0.1 mi 28º 89% RH SW 3+28 kt Tmxmn 39 28ºF Ns SG RW- AM. S- S BGN 1900 BS BS+ all day Power out 12 hrs New 4.0 SWE 0.52 Depth 15.2 (11-18) inches dense snow

2026-02-25

7:00 AM

0.35

2.0

12.2

0225260700 Ns SG S- - 0.7 mi 35º 90% RH WSW 5+24 KT Tmxmn 46 34ºF Ac Cs BKN AM Sc Nc OVC SG- - RW- BGN 1500 Bands New 2.0 SWE 0.35 Depth 12.2 (8-16) inches SG formed slush very wet precipitation

2026-02-24

9:00 AM

0.00

0.0

11.2

0224260900 Ac Cs BKN 20+ mi 41º 26% RH SWS 9+23 kt Tmxmn 41 33ºF AcL Cs AM SCT CLR PM. Depth 11.2 (8-16) inches 95% cover

2026-02-23

7:00 AM

0.00

0.0

12.0

0223260719 AcL Cs BKN 20+ MI 21º 56% RH Calm + WSW 12 kt Tmxmn 42 17ºF Cs BKN AM CLR PM Depth 12.0 (8-16) inches

2026-02-22

8:17 AM

0.00

0.0

12.8

0222260817 Cs BKN 20+ mi 16º 55% RH Calm + WSW 12 kt Tmxmn 27 6º F CLR all day depth 12.8 (8-17) INCHES

2026-02-21

8:15 AM

0.09

1.5

13.6

0221260815 CLR Fc 20+ MI 10º 72% RH Calm + E 6 kt Tmxmn 21 0ºF Ns SW- - Sc OVC S- S- - 1800-2100 New 1.5 SWE 0.09 Depth 13.6 ( 9-17) inches

2026-02-20

8:30 AM

0.02

0.4

12.8

0220260830 Ns S- - - 4 mi 14º 76% RH Calm + WSW 20 kt Tmxmn 16 3ºF Ns S- S- - all day New 0.4 SWE 0.02 Depth 12.8 (8-17) inches. Dense powder 0.1mm crystals

2026-02-19

8:00 AM

0.20

2.6

12.8

0219260800 Ns S- - 0.8 mi 8º 83% RH Calm + WSW 22 kt Tmxmn 28 7º F Ns S- - S- all day. BS Drifting PM New 2.6 SWE 0.20 Depth 12.8 (8-17) inches dense powder

2026-02-18

8:00 AM

0.34

3.0

11.2

0218260800 Ns S- - 1.0 mi 19º 86% RH Calm + SW 19 kt Tmxmn 36 19ºF Ns S- S BS all day Drifting New 3.0 SWE 0.34 Depth 11.2 (5-16) INCHES Dense powder

2026-02-17

8:00 AM

0.15

2.0

7.4

0217260800 Ns S- S BS 0.5 mi 24º 84% RH SE 9+20 kt Tmxmn 50 24ºF FROPA 0700 SBGN 0630 New 2.0 SWE 0.15 Depth 7.4 (2-13) inches BS DRIFTING

2026-02-16

8:00 AM

0.00

0.0

5.4

0216260800 As Cs BKN 20+ mi 39º 43% RH SWS 1+WSW 17 kt Tmxmn 48 17ºF Cs BKN v SCT all day Depth 5.4 (0-11) inches 40% cover

2026-02-15

7:00 AM

0.00

0.0

6.2

0215260800 Cs BKN 20+ MI 21º 67% RH Calm + NNE 7 kt Tmxmn 38 21º F Sc BKN AM SCT CLR PM Depth 6.2 (0-12) inches 40% COV Ptarmagan MTN 5% cov very dry !!

2026-02-14

8:00 AM

0.15

2.5

7.8

0214260800 Sc BKN 20 MI 30º 73% RH Calm + NNE 6 KT Tmxmn 41 21ºF As Cs OVC AM SW- - BGN 1300 S S+ 1500-1930 S- S— 1930-2200 Large 5-10mm dendritic aggregates New 2.5. SWE 0.15 Depth 7.8 (2-14) inches Rapid consolidation and melting in sun

2026-02-13

7:00 AM

0.01

0.2

6.0

0213260700 As Cs OVC 20 mi 23º 75% RH calm + W 25 kt Tmxmn 41 23ºF Ns SW - - -AM Sc BKN PM New 0.2 SWE 0.01 Depth 6.0 (0.2-12) inches Cover 45%

2026-02-12

8:00 AM

0.02

0.5

7.9

0212260800 Ns S- - - 5 mi 27º 90% RH N 2+ W 15 kt Tmxmn 33 27º Ns SW- - - all day New 0.5 SWE 0.02 Depth 7.9 (0.5-12.5) inches

2026-02-11

7:00 AM

7.4

0211260700 Ns SW- - 15 mi 30º 70% RH Calm + W 20 kt Tmxmn 42 20ºF Ac BKN v OVC New T SWE T Depth 7.4 (0-12) inches 50% cover

2026-02-10

7:00 AM

0.00

0.0

7.8

0210260700 St OVC Valley Ac AsOVC 20+ MI 30º 80% RH Calm + SW 20 kt Tmxmn 49 25ºF Cs SCT CLR Depth 7.8 (0-12) inches 55% Cover

2026-02-09

8:30 AM

0.00

0.0

8.8

0209260830 Ac Cs SCT 20+ mi 35º 40% RH Calm + SW 12 kt Tmxmn 45 24ºF Ac As Cs BKN AM. SCT PM CLR Depth 8.8 (0-13) inches 60% COV

2026-02-08

7:00 AM

0.01

0.1

9.0

0208260800 Ac As Cs BKN 20+ MI 70% RH CALM + W 16 kt Tmxmn 45 21ºF CLR Cu SCT v BKN SW- New 0.1 SWE 0.01 DEPTH 9.0 (0-14) inches 65% Cover

2026-02-07

7:00 AM

0.00

0.0

9.2

0207260700 Cu SCT 20+ mi 32º 50% RH Calm + NE 11 kt Tmxmn 54 30ºF CLR Cs SCT CLR. Depth 9.2 (0-14) inches 70% Cover

2026-02-06

7:00 AM

0.00

0.0

9.4

0206260700 Cs SCT 20+ mi 26º 63% RH Calm + NNE 3 kt Tmxmn 50 18ºF CLR Cs SCT CLR. Depth 9.4 (0-13) inches 80% cover

2026-02-05

8:30 AM

0.00

0.0

10.2

0205260830 Cs SCT 20+ mi 26º 58% RH Calm + N 8 kt Tmxmn 40 17º F CLR Fc All Day Depth 10.2 (0-14) inches 90% Cover

2026-02-04

7:00 AM

0.01

0.2

10.6

0204260700 CLR 20+ MI 18º 75% RH Calm + W 17 kt Ns SW- - all day 1630-1700 SW BS Sc CLR New 0.2 SWE 0.01 Depth 10.6 (0.2-16) inches

2026-02-03

7:00 AM

0.00

0.0

9.0

0203260600 As BKN 20 MI 22º 50% RH CALM + W 24 KT Tmxmn 44 16ºF Cs OVC AM SCT CLR PM Depth 9.0 (0-12) inches 90% cover

2026-02-02

8:00 AM

0.00

0.0

10.2

0202260800 Cs OVC 20+ MI 26º 44% RH CALM+ 21 kt Tmxmn 42 24ºF AcL Cs SCT CLR DEPTH 10.2 (0-14) inches 95% COVER MELTING AND SUBLIMATION

2026-02-01

8:00 AM

0.00

0.0

12.2

0201260800 AcL SCT 20+ MI 21ºF 70% RH CALM + WSW 16 KT Tmxmn 41 13ºF Sc AcL BKN SCT CLR DEPTH 12.2 (5-17) INCHES.

2026-01-31

8:00 AM

0.01

0.2

13.2

0131260800 Sc ACL BKN 20+ mi 25º 60% RH WNW 2 + NE 15 kt Tmxmn 30 9ºF Ns SW- - Ac BKN SW- 2300-0300 New 0.2 SWE 0.01 Depth 13.2 (7-17) inches

2026-01-30

7:00 AM

14.6

0130260700 Ns BKN SW- - 15mi 15º 80% RH Calm + NW 12 KT Tmxmn 28 12º F. Ns S—- Sc OVC SCT CLR New T SWE T Depth 14.6 (7-19) inches

2026-01-29

8:00 AM

0.10

1.0

14.6

0129260800 Ns S- 1 mi 17º 82% RH NNW 2+WSW 19 kt Tmxmn 36 15º AcL Cs BKN SCT Ns S- 2015-0800 New 1.0 SWE 0.10 Depth 14.6 (7-19) inches

2026-01-28

7:00 AM

0.00

0.0

13.2

0128260700 AcL Cs BKN 20+ MI 15º 52% RH CALM + W 10 kt Tmxmn 32 8ºF AcL Cs SCT v BKN CLR Depth 13.2 (6-17) INCHES

2026-01-27

7:00 AM

0.00

0.0

13.8

0127260700 AcL Cs BKN 20+ mi 9º 54% RH Calm + N 13 kt Tmxmn 24 3ºF CLR all day Depth 13.8 (6-18) inches

2026-01-26

8:00 AM

0.15

2.0

14.0

0126260800 CLR 20+ MI -3º 72% RH Calm + W 15 kt Tmxmn 10 -11ºF Ns S- S - - all day S- S 1500-1700 New 2.0 SWE 0.15 Depth

2026-01-25

9:00 AM

0.01

0.3

12.0

0125260900 Ns SW- - 3 mi 8º 67% RH WNW 1+N 9 KT TMXMN 21 1ºF Ns S- - - S- - all day new 0.3 SWE 0.01 Depth 12.1 (0-17) inches. COLD

2026-01-24

9:00 AM

0.27

2.7

12.0

0124260900 Ns S- - 1 mi 20º 80% RH Calm + W 22 kt Tmxmn 31 15ºF Ac VIRGA AM Ns S- 1500 S- S- - all night New 2.7 SWE 0.27 Depth 12.0 (3-17) inches

2026-01-23

7:00 AM

0.00

0.0

9.5

0123260700 Ac VIRGA 20+ MI 29º 25% RH W 3+22 kt Tmxmn 37 22ºF CLR Cs BKN Ac OVC Depth 9.5 (0-15) inches 80% COVER

2026-01-22

7:00 AM

0.00

0.0

9.6

0122260700 CLR 20+ MI 24º 33% RH Calm + W 17 kt Tmxmn 34 8ºF Cs SCT v BKN As OVC PM Depth 9.6 (0-15) inches. Hardpack

2026-01-21

7:00 AM

0.00

0.0

9.6

0121260700 Cs SCT 20+ mi 4º 55% RH Calm +SW 24 kt Tmxmn 36 4ºF AcL SCT CLR Depth 9.6 (0-15) inches 80% cover Melting, Sublimation

2026-01-20

7:00 AM

0.00

0.0

9.6

0120260700 AcL SCT 20+ mi 19º 29% RH Calm + WSW 6 kt Tmxmn 32 19ºF Sc SCT CLR. Depth 9.6 (0-15) inches 90% Cover

2026-01-19

8:30 AM

0.02

0.5

10.6

0119260830 Ns SW- - - 10 mi 21º 78% RH Calm + SW 15 kt Tmxmn 40 18ºF CLR AcL As SCT SW- BGN 0300-0800 New 0.5 SWE 0.02 Depth 10.6 (4-15) inches

2026-01-18

7:00 AM

10.6

0118260700 CLR 20+ mi 12º 40% RH Calm + NNE 20 kt Tmxmn 23 12º Ns SW- - As BKN SCT. CLR New T SWE T Depth 10.6 (4-15) inches Sublimation 90% Cover S facing

2026-01-17

8:00 AM

0.02

0.2

11.4

0117260800 Ns SW- 5 mi 10º 65% RH N 3+ NNE 20 KT Tmxmn 26 8ªF Ns Sc OVC ALL DAY. NEW 0.2 SWE 0.02 DEPTH 11.4 (5-15) INCHES 95% COVER

2026-01-16

7:00 AM

11.4

0116260700 Ns SW- - 10 mi 15º 86% RH N 2+ 10 Kt Tmxmn 43 15ºF CLR. Cu SCT CLR. T new T SWE Depth 11.4 (5-15) inches

2026-01-15

7:00 AM

11.8

0115260700 CLR 20+ MI 26º 64% RH Calm + N 11 kt Tmxmn 42 20 Sc OVC SW- - BKN SCT CLR. New T SWE T Depth 11.8 (5-16) inches

2026-01-14

8:00 AM

12.6

0114260800 Sc OVC BKN 20+ mi 32º70%RH Calm + N 9 kt Tmxmn 44 19ºF Cs OVC As SCT Cs BKN SCT 0500 SW- - - New T SWE T Depth 12.6 (6-16) INCHES

2026-01-13

7:00 AM

0.00

0.0

13.2

0113260800 Cs OVC 20+ mi 21º 76% RH Calm + N 5 kt Tmxmn 43 14ºF Depth 13.2 (8-16) inches.

2026-01-12

7:00 AM

0.00

0.0

13.4

0112260700 Cs SCT 20+ mi 16º 73% RH Calm + N 5 kt Tmxmn 39 6ºF Depth 13.4 (9-16) inches

2026-01-11

7:00 AM

0.00

0.0

14.6

0111260700 Cs OVC 20+ mi 14º78% RH Calm + N 8 kt Tmxmn 26 0ºF Depth 14.6 (11-17) inches. As SCT CLR all day

2026-01-10

8:30 AM

0.01

0.1

15.0

0110260830 As SCT 20+ mi 5º 70% RH CALM + N 13 kt Tmxmn 15 -1ºF New 0.1 SWE 0.01 Depth 15.0 (11-18) inches

2026-01-09

7:00 AM

0.28

3.8

15.6

0109260700 Ns S- - - 5 mi 9º 83% RH Calm + NE 11 kt Tmxmn 28 9ºF New 4.0 SWE 0.30 Depth xxx S- S- - S S+ intermittent all day NEW 3.8 SWE 0.28 Depth 15.6 (11-19) inches

2026-01-08

8:00 AM

0.05

0.5

11.6

0108260800 Ns SW- 3 mi 25º 78% RH CALM + SW 18 kt Tmxmn 42 22ºF Ac SCT AM CLR PM SBGN 0400 S- - SW- NEW 0.5 SWE 0.05 DEPTH 11.6 (6-15) INCHES

2026-01-07

7:00 AM

0.02

0.2

11.8

0107260700 Ac SCT 20+ mi 15º 58% RH Calm + W 32 kt Tmxmn 32 15ºF Ns S- - SW- - AM Sc SCT CLR PM New 0.2 SWE 0.02 Depth 11.8 (6-16) inches BS Drifting

2026-01-06

7:00 AM

0.42

5.1

12.0

0106260700 Ns S- SW- BS 4 mi 23º 85% RH WSW 6+24 kt Tmxmn 37 23ºF Ns S- SW- - SBGN 1700 S- S BS S+ 2200 - 2330 NEW 5.1 SWE 0.42 DEPTH 12.0 (6-16) INCHES DRIFTING

2026-01-05

8:00 AM

0.03

0.3

7.1

0105260800 Ns S- 2 mi 29º 85% RH Calm + W 27 kt Tmxmn 45 29ºF Ac AcL SCT CLR SBGN 0500 New 0.3 SWE 0.03 Depth 7.1 (0.3-13) inches.

2026-01-04

7:00 AM

0.00

0.0

8.2

0104260700 Ac SCT 20+ mi 33º 50% RH Calm + N 19 kt Tmxmn 42 23º F As SCT. CLR Depth 8.2 (4-13) inches 90% COVER

2026-01-03

7:00 AM

0.03

0.2

8.8

0103260700 As SCT 20+ mi 24º 80% RH Calm + N 19 kt Tmxmn 40 23º F Ns SW- - - all day New 0.2 SWE 0.03 Depth 8.8 (5-13) inches. As SCT 2200-0700

2026-01-02

7:00 AM

0.36

2.9

9.6

0102260700 Ns S- F 2 mi 34º 84% RH Calm + WSW 26 kt Tmxmn 47 19ºF Ns SW- - RW- - SBGN 2200 - New 2.9 SWE 0.36 Depth 9.6 (6-14) inches Snow boards 2.5, 3.1, 3.0, 3.1 inches

2026-01-01

8:00 AM

0.00

0.0

5.8

0101260800 As AcL OVC 20 mi 30º 51% RH CALM + N 9 kt Tmxmn 47 28ºF CLR Cs SCT all day. Depth 5.8( 0-11) inches. 90% cover.

Observation Data TablesInformational

Observation Data Tables