WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KTFX 301210
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: HELENA MT
MONTH: JANUARY
YEAR: 2025
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 31 20 26 4 39 0 0.00 0.0 0 1.9 8 350 M M 6 11 340
2 32 20 26 4 39 0 0.04 0.5 0 1.4 9 350 M M 9 18 11 350
3 23 13 18 -4 47 0 0.32 4.2 1 6.1 10 290 M M 10 12 13 280
4 20 12 16 -6 49 0 0.04 0.4 5 1.7 7 300 M M 10 1 8 300
5 28 16 22 0 43 0 0.12 2.0 4 0.7 6 250 M M 10 1 7 260
6 31 23 27 5 38 0 0.08 3.5 7 2.3 8 190 M M 8 18 10 200
7 28 14 21 -1 44 0 T T 6 0.9 6 260 M M 10 12 7 260
8 38 16 27 5 38 0 0.01 0.2 5 7.6 26 260 M M 8 128 36 260
9 36 15 26 4 39 0 T T 5 3.9 18 270 M M 4 12 23 280
10 42 18 30 8 35 0 0.00 0.0 5 6.5 26 310 M M 6 12 40 320
11 38 30 34 12 31 0 0.00 0.0 4 14.5 29 280 M M 10 40 280
12 35 24 30 8 35 0 0.00 0.0 4 9.5 20 270 M M 8 29 280
13 33 18 26 4 39 0 0.00 0.0 4 11.9 25 260 M M 5 36 250
14 33 12 23 0 42 0 0.00 0.0 3 2.1 7 260 M M 0 9 270
15 31 13 22 -1 43 0 0.00 0.0 3 3.0 8 310 M M 0 8 9 320
16 52 9 31 8 34 0 0.00 0.0 3 7.9 25 270 M M 1 18 39 280
17 40 13 27 4 38 0 T T 2 10.3 35 350 M M 10 12 46 350
18 14 6 10 -13 55 0 0.00 0.0 2 5.9 17 330 M M 8 8 20 330
19 17 -3 7 -16 58 0 0.03 0.5 2 5.7 22 350 M M 10 18 28 350
20 7 -11 -2 -25 67 0 0.00 0.0 2 3.2 9 270 M M 2 11 280
21 34 4 19 -5 46 0 0.00 0.0 2 10.8 32 260 M M 2 45 270
22 31 21 26 2 39 0 0.00 0.0 2 10.6 25 260 M M 8 33 260
23 27 5 16 -8 49 0 0.00 0.0 2 3.1 13 290 M M 3 15 280
24 31 15 23 -1 42 0 0.09 1.3 3 4.9 21 350 M M 8 128 27 360
25 22 2 12 -12 53 0 T T 3 2.7 14 300 M M 3 18 17 300
26 14 0 7 -17 58 0 0.00 0.0 2 1.6 7 270 M M 5 12 8 10
27 20 -1 10 -14 55 0 0.00 0.0 2 2.3 7 40 M M 0 8 310
28 24 -1 12 -12 53 0 0.00 0.0 2 1.9 8 230 M M 0 18 10 230
29 25 3 14 -10 51 0 0.00 0.0 2 1.2 7 220 M M 0 18 8 200
================================================================================
SM 837 326 1299 0 0.73 12.6 146.1 M 164
================================================================================
AV 28.9 11.2 5.0 FASTST M M 6 MAX(MPH)
MISC ----> 35 350 46 350
================================================================================
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: JANUARY
YEAR: 2025
LATITUDE: 46 35 N
LONGITUDE: 112 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 20.1 TOTAL FOR MONTH: 0.73 1 = FOG OR MIST
DPTR FM NORMAL: -2.8 DPTR FM NORMAL: 0.37 2 = FOG REDUCING VISIBILITY
HIGHEST: 52 ON 16 GRTST 24HR 0.32 ON 3- 3 TO 1/4 MILE OR LESS
LOWEST: -11 ON 20 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 12.6 INCHES 5 = HAIL
GRTST 24HR 4.2 ON 3- 3 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 7 ON 6 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: 19 0.01 INCH OR MORE: 8
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: 5 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 1299 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 77 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 3599 CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL -755
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 0 HIGHEST SLP M ON M
DPTR FM NORMAL 0 LOWEST SLP 29.78 ON 16
[REMARKS]