WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KTFX 111110
CF6HLN
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: HELENA MT
MONTH: MAY
YEAR: 2026
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 72 32 52 3 13 0 0.00 0.0 0 3.8 16 90 M M 0 25 100
2 69 39 54 4 11 0 0.00 0.0 0 4.7 13 20 M M 0 19 20
3 76 43 60 10 5 0 0.00 0.0 0 5.5 18 280 M M 1 26 290
4 59 39 49 -1 16 0 0.00 0.0 0 10.2 23 350 M M 5 32 350
5 50 32 41 -9 24 0 0.00 0.0 0 9.1 24 360 M M 6 31 10
6 74 27 51 0 14 0 T 0.0 0 8.0 32 330 M M 2 46 340
7 65 47 56 5 9 0 0.05 0.0 0 5.9 36 280 M M 6 47 290
8 74 41 58 6 7 0 0.00 0.0 0 8.6 22 280 M M 2 30 280
9 70 48 59 7 6 0 0.00 0.0 0 9.1 18 270 M M 4 26 300
10 79 42 61 9 4 0 0.00 0.0 0 4.1 14 110 M M 0 18 110
================================================================================
SM 688 390 109 0 0.05 0.0 69.0 M 26
================================================================================
AV 68.8 39.0 6.9 FASTST M M 3 MAX(MPH)
MISC ----> 36 280 47 290
================================================================================
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: 2026
LATITUDE: 46 35 N
LONGITUDE: 112 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 53.9 TOTAL FOR MONTH: 0.05 1 = FOG OR MIST
DPTR FM NORMAL: 3.2 DPTR FM NORMAL: -0.37 2 = FOG REDUCING VISIBILITY
HIGHEST: 79 ON 10 GRTST 24HR 0.05 ON 7- 7 TO 1/4 MILE OR LESS
LOWEST: 27 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: 1
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
MIN 32 OR BELOW: 3 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 109 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL -35 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 5701 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -1449
[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 29.77 ON 3
[REMARKS]