WFO Monthly/Daily Climate Data Issued by NWS
000
CXUS56 KTFX 011210
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: HELENA MT
MONTH: DECEMBER
YEAR: 2021
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 70 51 61 34 4 0 0.00 0.0 0 15.1 35 260 M M 6 49 260
2 64 46 55 28 10 0 0.00 0.0 0 12.5 31 290 M M 1 43 300
3 50 32 41 15 24 0 0.00 0.0 0 3.0 10 200 M M 4 14 110
4 50 31 41 15 24 0 0.02 0.0 0 7.5 29 250 M M 8 41 230
5 38 13 26 0 39 0 0.07 T T 5.5 23 310 M M 5 1 29 320
6 27 10 19 -7 46 0 0.05 0.5 0 2.5 9 230 M M 8 1 11 230
7 47 21 34 9 31 0 0.00 0.0 1 5.2 21 260 M M 9 1 26 270
8 50 32 41 16 24 0 T T 0 14.7 31 300 M M 7 8 40 300
9 34 24 29 4 36 0 0.00 0.0 0 6.9 22 290 M M 5 33 300
10 34 15 25 1 40 0 T T 0 10.0 31 270 M M 4 8 43 270
11 47 29 38 14 27 0 0.00 0.0 0 15.6 32 190 M M 4 53 180
12 50 29 40 16 25 0 T T 0 14.7 25 210 M M 6 48 190
13 43 26 35 11 30 0 0.05 0.7 1 3.4 12 110 M M 7 12 19 150
14 52 32 42 19 23 0 T T 0 11.0 30 190 M M 6 49 180
15 32 12 22 -1 43 0 0.00 0.0 0 13.0 28 260 M M 4 37 280
16 31 9 20 -3 45 0 T T 0 2.6 28 360 M M 6 34 360
17 16 0 8 -15 57 0 0.06 0.8 1 5.7 25 360 M M 4 8 35 360
18 44 0 22 0 43 0 0.00 0.0 1 3.3 24 190 M M 4 33 190
19 44 14 29 7 36 0 0.27 4.5 T 9.6 23 180 M M 9 1 33 180
20 36 13 25 3 40 0 0.05 0.8 5 2.4 20 250 M M 9 18 28 260
21 45 28 37 15 28 0 0.00 0.0 4 6.4 17 260 M M 8 29 230
22 48 19 34 12 31 0 0.00 0.0 2 4.3 14 240 M M 2 22 220
23 46 22 34 12 31 0 0.16 T 2 7.9 37 270 M M 6 18 50 270
24 32 10 21 -1 44 0 0.00 0.0 1 4.1 15 340 M M 1 17 350
25 17 5 11 -11 54 0 T 0.1 1 6.1 10 310 M M 5 14 310
26 5 -9 -2 -24 67 0 0.07 1.6 1 8.7 15 300 M M 8 8 19 290
27 1 -12 -5 -27 70 0 0.03 0.4 2 3.6 10 340 M M 7 8 13 340
28 10 -11 0 -22 65 0 0.01 T 2 1.5 18 350 M M 10 8 22 360
29 6 -6 0 -22 65 0 0.02 0.3 2 4.6 14 300 M M 3 8 20 310
30 19 -4 8 -14 57 0 0.03 0.5 2 4.9 14 320 M M 9 8 18 330
31 7 -7 0 -22 65 0 0.09 0.9 3 7.4 14 270 M M 8 8 18 310
================================================================================
SM 1095 474 1224 0 0.98 11.1 223.7 M 183
================================================================================
AV 35.3 15.3 7.2 FASTST M M 6 MAX(MPH)
MISC ----> 37 270 53 180
================================================================================
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: 2021
LATITUDE: 46 35 N
LONGITUDE: 112 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 25.3 TOTAL FOR MONTH: 0.98 1 = FOG OR MIST
DPTR FM NORMAL: 1.9 DPTR FM NORMAL: 0.52 2 = FOG REDUCING VISIBILITY
HIGHEST: 70 ON 1 GRTST 24HR 0.30 ON 19-20 TO 1/4 MILE OR LESS
LOWEST: -12 ON 27 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 11.1 INCHES 5 = HAIL
GRTST 24HR 4.5 ON 19-19 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 5 ON 20 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: 12 0.01 INCH OR MORE: 14
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 29 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 8 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 1224 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -66 PTCLDY (SCALE 4-7) 23
TOTAL FM JUL 1 2533 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -597
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 781 HIGHEST SLP 30.58 ON 17
DPTR FM NORMAL 348 LOWEST SLP 29.09 ON 23
[REMARKS]
#FINAL-12-21#