WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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859 CXUS56 KTFX 011534 CF6HLN PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: HELENA MT MONTH: DECEMBER YEAR: 2020 LATITUDE: 46 35 N LONGITUDE: 112 0 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 40 23 32 7 33 0 0.00 0.0 0 10.9 28 260 M M 6 37 260 2 37 15 26 1 39 0 0.00 0.0 0 1.5 8 250 M M 0 10 80 3 40 15 28 3 37 0 0.00 0.0 0 1.4 7 180 M M 0 8 180 4 43 15 29 5 36 0 0.00 0.0 0 1.9 9 320 M M 0 10 330 5 38 14 26 2 39 0 0.00 0.0 0 1.7 6 150 M M 0 8 290 6 40 13 27 3 38 0 0.00 0.0 0 1.7 7 300 M M 0 9 250 7 44 16 30 7 35 0 0.00 0.0 0 3.4 10 270 M M 0 11 280 8 55 26 41 18 24 0 0.00 0.0 0 3.4 8 260 M M 1 10 280 9 53 29 41 19 24 0 0.00 0.0 0 5.8 21 290 M M 3 29 270 10 41 19 30 8 35 0 0.00 0.0 0 2.8 9 280 M M 2 11 270 11 29 17 23 1 42 0 0.04 0.6 0 4.0 9 250 M M 8 18 11 270 12 30 14 22 0 43 0 T T 1 1.7 7 280 M M 6 1 9 320 13 28 16 22 0 43 0 0.07 0.5 T 2.7 8 300 M M 6 1 9 290 14 38 19 29 8 36 0 0.08 1.5 2 4.4 17 270 M M 7 18 22 290 15 36 23 30 9 35 0 T T 2 5.8 16 180 M M 8 23 170 16 44 29 37 16 28 0 0.01 0.1 2 6.5 20 250 M M 7 31 260 17 44 29 37 16 28 0 0.00 0.0 T 6.4 22 280 M M 5 30 280 18 42 30 36 15 29 0 0.00 0.0 T 9.0 24 270 M M 7 32 270 19 47 30 39 18 26 0 0.00 0.0 0 12.3 32 260 M M 6 45 280 20 52 36 44 23 21 0 0.00 0.0 0 10.0 31 280 M M 5 44 290 21 52 32 42 21 23 0 T 0.0 0 5.8 18 200 M M 4 30 170 22 51 23 37 17 28 0 T T 0 15.8 29 350 M M 7 48 340 23 33 11 22 2 43 0 0.00 0.0 0 6.9 18 270 M M 2 30 270 24 36 15 26 6 39 0 0.00 0.0 0 3.1 8 250 M M 0 11 290 25 39 21 30 10 35 0 0.00 0.0 0 1.8 9 360 M M 2 11 360 26 46 28 37 17 28 0 0.01 T 0 6.5 20 260 M M 8 26 250 27 41 20 31 10 34 0 0.00 0.0 0 8.4 18 270 M M 4 28 270 28 33 12 23 2 42 0 0.00 0.0 0 1.6 7 240 M M 0 9 290 29 33 8 21 0 44 0 0.00 0.0 0 3.5 16 250 M M 0 21 250 30 34 19 27 6 38 0 0.00 0.0 0 2.6 10 280 M M 7 14 290 31 41 26 34 13 31 0 0.00 0.0 0 4.1 18 240 M M 8 24 240 ================================================================================ SM 1260 643 1056 0 0.21 2.7 157.4 M 119 ================================================================================ AV 40.6 20.7 5.1 FASTST M M 4 MAX(MPH) MISC ----> 32 260 48 340 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: HELENA MT MONTH: DECEMBER YEAR: 2020 LATITUDE: 46 35 N LONGITUDE: 112 0 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 30.7 TOTAL FOR MONTH: 0.21 1 = FOG OR MIST DPTR FM NORMAL: 8.9 DPTR FM NORMAL: -0.19 2 = FOG REDUCING VISIBILITY HIGHEST: 55 ON 8 GRTST 24HR 0.15 ON 13-14 TO 1/4 MILE OR LESS LOWEST: 8 ON 29 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 2.7 INCHES 5 = HAIL GRTST 24HR 1.5 ON 14-14 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 2 ON 16,15 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: 3 0.01 INCH OR MORE: 5 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0 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 -283 PTCLDY (SCALE 4-7) 17 TOTAL FM JUL 1 2773 CLOUDY (SCALE 8-10) 0 DPTR FM NORMAL -444 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 507 HIGHEST SLP 30.78 ON 2 DPTR FM NORMAL 101 LOWEST SLP 29.41 ON 22 [REMARKS] #FINAL-12-20#