


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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005 CXUS56 KTFX 081110 CF6LWT PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: LEWISTOWN MT MONTH: AUGUST 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 82 54 68 0 0 3 0.40 M M 6.1 35 240 M M 3 3 48 220 2 81 50 66 -2 0 1 T M M 5.2 20 300 M M 2 3 29 300 3 80 52 66 -2 0 1 0.00 M M 6.2 20 310 M M 0 29 310 4 83 56 70 2 0 5 0.03 M M 9.0 21 300 M M 2 3 30 300 5 75 54 65 -3 0 0 0.03 M M 6.1 21 270 M M 5 3 30 260 6 85 51 68 0 0 3 T M M 5.5 14 100 M M 1 3 21 250 7 74 51 63 -5 2 0 0.72 M M 6.6 36 250 M M 5 13 52 260 ================================================================================ SM 560 368 2 13 1.18 M 44.7 M 18 ================================================================================ AV 80.0 52.6 6.4 FASTST M M 3 MAX(MPH) MISC ----> 36 250 52 260 ================================================================================ 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: AUGUST YEAR: 2025 LATITUDE: 47 2 N LONGITUDE: 109 28 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 66.3 TOTAL FOR MONTH: 1.18 1 = FOG OR MIST DPTR FM NORMAL: -1.7 DPTR FM NORMAL: 0.83 2 = FOG REDUCING VISIBILITY HIGHEST: 85 ON 6 GRTST 24HR 0.72 ON 7- 7 TO 1/4 MILE OR LESS LOWEST: 50 ON 2 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: 2 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 2 CLEAR (SCALE 0-3) 5 DPTR FM NORMAL -5 PTCLDY (SCALE 4-7) 2 TOTAL FM JUL 1 53 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -19 [CDD (BASE 65) ] TOTAL THIS MO. 13 DPTR FM NORMAL -15 [PRESSURE DATA] TOTAL FM JAN 1 95 HIGHEST SLP M ON M DPTR FM NORMAL -52 LOWEST SLP 29.76 ON 4 [REMARKS]