WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KTFX 121110
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: HELENA MT
MONTH: MAY
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 68 36 52 3 13 0 0.00 0.0 0 3.8 13 60 M M 1 21 10
2 81 37 59 9 6 0 0.00 0.0 0 4.5 20 50 M M 0 28 260
3 82 42 62 12 3 0 0.00 0.0 0 4.4 17 260 M M 0 22 260
4 70 42 56 6 9 0 0.71 0.0 0 12.9 25 350 M M 5 13 33 10
5 50 39 45 -5 20 0 0.39 0.0 0 8.4 20 360 M M 9 1 25 340
6 58 34 46 -5 19 0 0.00 0.0 0 6.2 18 110 M M 5 24 110
7 78 36 57 6 8 0 0.00 0.0 0 4.8 16 80 M M 0 22 80
8 77 46 62 10 3 0 0.00 0.0 0 8.0 25 280 M M 0 33 290
9 80 43 62 10 3 0 0.00 0.0 0 6.2 22 90 M M 0 28 80
10 88 50 69 17 0 4 0.00 0.0 0 6.1 40 200 M M 0 38 62 180
11 77 51 64 11 1 0 0.08 0.0 0 7.7 24 180 M M 2 3 34 180
================================================================================
SM 809 456 85 4 1.18 0.0 73.0 M 22
================================================================================
AV 73.5 41.5 6.6 FASTST M M 2 MAX(MPH)
MISC ----> 40 200 62 180
================================================================================
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: MAY
YEAR: 2025
LATITUDE: 46 35 N
LONGITUDE: 112 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 57.5 TOTAL FOR MONTH: 1.18 1 = FOG OR MIST
DPTR FM NORMAL: 6.6 DPTR FM NORMAL: 0.70 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 10 GRTST 24HR 1.10 ON 4- 5 TO 1/4 MILE OR LESS
LOWEST: 34 ON 6 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 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: 3
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. 85 CLEAR (SCALE 0-3) 8
DPTR FM NORMAL -72 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 6391 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -772
[CDD (BASE 65) ]
TOTAL THIS MO. 4
DPTR FM NORMAL 4 [PRESSURE DATA]
TOTAL FM JAN 1 4 HIGHEST SLP M ON M
DPTR FM NORMAL 4 LOWEST SLP 29.51 ON 11
[REMARKS]