


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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903 CXUS56 KTFX 121110 CF6LWT PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: LEWISTOWN MT MONTH: MAY YEAR: 2025 LATITUDE: 47 2 N LONGITUDE: 109 28 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 61 34 48 3 17 0 0.00 M M 8.1 20 350 M M 3 36 350 2 73 32 53 8 12 0 0.00 M M 6.4 14 260 M M 0 18 250 3 79 37 58 12 7 0 0.00 M M 5.4 13 100 M M 0 26 330 4 68 42 55 9 10 0 0.09 M M 10.2 22 290 M M 2 1 31 300 5 42 29 36 -10 29 0 1.12 M M 5.6 17 300 M M 10 12 26 280 6 53 28 41 -6 24 0 0.00 M M 8.5 20 130 M M 6 27 130 7 70 30 50 3 15 0 0.00 M M 11.1 29 220 M M 1 38 210 8 74 41 58 11 7 0 0.00 M M 7.5 18 310 M M 1 29 300 9 76 35 56 8 9 0 0.00 M M 6.5 17 220 M M 0 23 220 10 83 50 67 19 0 2 0.06 M M 11.0 39 190 M M 1 3 54 260 11 75 50 63 15 2 0 0.04 M M 10.2 39 240 M M 1 3 51 250 ================================================================================ SM 754 408 132 2 1.31 M 90.5 M 25 ================================================================================ AV 68.5 37.1 8.2 FASTST M M 2 MAX(MPH) MISC ----> # 39 190 54 260 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: LEWISTOWN MT MONTH: MAY YEAR: 2025 LATITUDE: 47 2 N LONGITUDE: 109 28 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 52.8 TOTAL FOR MONTH: 1.31 1 = FOG OR MIST DPTR FM NORMAL: 6.2 DPTR FM NORMAL: 0.53 2 = FOG REDUCING VISIBILITY HIGHEST: 83 ON 10 GRTST 24HR 1.21 ON 4- 5 TO 1/4 MILE OR LESS LOWEST: 28 ON 6 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: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 132 CLEAR (SCALE 0-3) 8 DPTR FM NORMAL -70 PTCLDY (SCALE 4-7) 2 TOTAL FM JUL 1 7259 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -429 [CDD (BASE 65) ] TOTAL THIS MO. 2 DPTR FM NORMAL 2 [PRESSURE DATA] TOTAL FM JAN 1 2 HIGHEST SLP M ON M DPTR FM NORMAL 2 LOWEST SLP 29.57 ON 11 [REMARKS]