WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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000 CXUS56 KTFX 011534 CF6LWT PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: LEWISTOWN MT MONTH: DECEMBER YEAR: 2020 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 36 10 23 -3 42 0 0.26 3.5 2 10.6 31 290 M M 8 1 44 290 2 36 8 22 -4 43 0 0.00 0.0 2 4.8 10 120 M M 0 12 130 3 47 19 33 8 32 0 0.00 0.0 2 6.6 10 130 M M 0 8 10 130 4 47 20 34 9 31 0 0.00 0.0 2 6.2 16 250 M M 0 17 210 5 49 19 34 9 31 0 0.00 0.0 1 5.7 13 130 M M 0 14 140 6 50 22 36 12 29 0 0.00 0.0 1 5.5 16 220 M M 0 17 220 7 48 24 36 12 29 0 0.00 0.0 1 7.9 20 240 M M 1 22 240 8 54 41 48 24 17 0 0.00 0.0 T 18.0 30 260 M M 1 36 260 9 56 30 43 19 22 0 T T 0 11.7 24 300 M M 5 1 31 300 10 38 19 29 5 36 0 T T 0 3.3 9 110 M M 6 1 11 300 11 26 15 21 -2 44 0 T T 0 5.7 12 90 M M 5 12 15 70 12 24 14 19 -4 46 0 0.01 0.2 T 6.9 15 280 M M 8 1 22 310 13 22 13 18 -5 47 0 T T T 8.8 16 110 M M 5 1 20 130 14 33 13 23 0 42 0 0.00 0.0 T 5.8 13 290 M M 5 16 300 15 35 22 29 6 36 0 0.00 0.0 T 16.9 33 230 M M 4 39 230 16 43 25 34 11 31 0 0.00 0.0 T 9.2 26 290 M M 5 33 290 17 45 23 34 11 31 0 0.00 0.0 0 15.3 31 240 M M 3 37 240 18 43 28 36 14 29 0 0.00 0.0 0 12.7 23 240 M M 5 31 230 19 48 31 40 18 25 0 0.00 0.0 0 21.4 37 270 M M 3 48 270 20 53 30 42 20 23 0 0.00 0.0 0 24.0 52 280 M M 3 8 69 280 21 47 26 37 15 28 0 0.08 T 0 9.3 25 210 M M 5 1 32 210 22 47 17 32 10 33 0 0.03 0.5 0 18.9 36 300 M M 6 1 47 280 23 30 3 17 -5 48 0 T T 1 9.2 22 300 M M 2 30 300 24 46 19 33 11 32 0 0.00 0.0 T 9.7 24 260 M M 0 26 250 25 47 25 36 14 29 0 0.00 0.0 T 7.0 17 230 M M 1 20 220 26 45 28 37 15 28 0 T T 0 12.3 29 220 M M 6 35 220 27 28 15 22 0 43 0 T T 0 5.3 10 280 M M 8 1 13 290 28 40 13 27 5 38 0 0.00 0.0 0 5.0 8 140 M M 0 12 210 29 30 11 21 -1 44 0 0.00 0.0 0 6.9 15 270 M M 3 18 280 30 41 11 26 4 39 0 T 0.0 0 13.0 26 250 M M 3 33 250 31 45 28 37 14 28 0 0.00 0.0 0 12.4 24 240 M M 5 30 240 ================================================================================ SM 1279 622 1056 0 0.38 4.2 316.0 M 106 ================================================================================ AV 41.3 20.1 10.2 FASTST M M 3 MAX(MPH) MISC ----> 52 280 69 280 ================================================================================ 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: DECEMBER YEAR: 2020 LATITUDE: 47 2 N LONGITUDE: 109 28 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 30.7 TOTAL FOR MONTH: 0.38 1 = FOG OR MIST DPTR FM NORMAL: 7.4 DPTR FM NORMAL: -0.28 2 = FOG REDUCING VISIBILITY HIGHEST: 56 ON 9 GRTST 24HR 0.26 ON 1- 1 TO 1/4 MILE OR LESS LOWEST: 3 ON 23 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 4.2 INCHES 5 = HAIL GRTST 24HR 3.5 ON 1- 1 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 2 ON 4, 3 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: 6 0.01 INCH OR MORE: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 30 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1056 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL -238 PTCLDY (SCALE 4-7) 17 TOTAL FM JUL 1 3043 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -381 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 250 HIGHEST SLP 30.65 ON 2 DPTR FM NORMAL 40 LOWEST SLP 29.35 ON 22 [REMARKS] #FINAL-12-20#