


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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970 CXUS55 KRIW 181010 CF6RKS PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROCK SPRINGS WY MONTH: APRIL YEAR: 2025 LATITUDE: 41 35 N LONGITUDE: 109 4 W TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND ================================================================================ 1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 M M M M M M 0.05 M M 18.0 29 270 M M 6 36 270 2 M M M M M M 0.00 M M 11.5 22 250 M M 3 27 250 3 44 M M M M M 0.00 M M 7.0 16 80 M M 3 21 60 4 39 22 31 -8 34 0 0.00 M M 15.4 26 70 M M 4 36 50 5 45 20 33 -6 32 0 0.00 M M 5.8 14 240 M M 3 17 240 6 56 25 41 2 24 0 0.00 M M 11.1 18 250 M M 0 23 240 7 62 30 46 7 19 0 0.00 M M 12.0 24 270 M M 1 32 260 8 61 36 49 9 16 0 T M M 17.3 33 270 M M 2 48 270 9 62 34 48 8 17 0 0.00 M M 15.6 31 270 M M 0 46 270 10 67 34 51 11 14 0 0.00 M M 4.6 13 240 M M 0 18 300 11 76 39 58 18 7 0 0.00 M M 8.5 23 240 M M 0 32 270 12 72 40 56 16 9 0 0.00 M M 12.6 35 270 M M 1 48 270 13 56 30 43 3 22 0 0.00 M M 11.1 21 300 M M 0 30 320 14 58 21 40 -1 25 0 0.00 M M 6.3 16 280 M M 0 23 310 15 66 29 48 7 17 0 0.00 M M 8.5 24 250 M M 1 31 240 16 65 37 51 10 14 0 0.00 M M 11.7 33 230 M M 3 45 210 17 45 21 33 -8 32 0 0.19 M M 14.7 31 60 M M 9 12 44 60 ================================================================================ SM 874 418 282 0 0.24 M 191.7 M 36 ================================================================================ AV 58.3 29.9 11.3 FASTST M M 2 MAX(MPH) MISC ----> 35 270 # 48 270 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROCK SPRINGS WY MONTH: APRIL YEAR: 2025 LATITUDE: 41 35 N LONGITUDE: 109 4 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 44.1 TOTAL FOR MONTH: 0.24 1 = FOG OR MIST DPTR FM NORMAL: 4.4 DPTR FM NORMAL: -0.23 2 = FOG REDUCING VISIBILITY HIGHEST: 76 ON 11 GRTST 24HR 0.25 ON 31- 1 TO 1/4 MILE OR LESS LOWEST: 20 ON 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS 8 = SMOKE OR HAZE [NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW X = TORNADO MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 2 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 8 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 282 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL -146 PTCLDY (SCALE 4-7) 2 TOTAL FM JUL 1 6377 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -802 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.52 ON 17 [REMARKS]