WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS56 KTFX 201110
CF6LWT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LEWISTOWN MT
MONTH: MAY
YEAR: 2026
LATITUDE: 47 2 N
LONGITUDE: 109 28 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 30 50 5 15 0 0.00 M M 5.2 14 260 M M M 19 270
2 65 35 50 5 15 0 0.00 M M 5.6 14 250 M M M 17 20
3 71 36 54 8 11 0 T M M 8.5 21 300 M M M 30 310
4 51 32 42 -4 23 0 0.00 M M 10.0 21 310 M M M 36 290
5 46 24 35 -11 30 0 0.00 M M 8.4 18 350 M M M 32 360
6 64 18 41 -6 24 0 0.00 M M 6.0 16 230 M M M 26 260
7 65 40 53 6 12 0 M M M 6.9 16 220 M M M 28 230
8 71 37 54 7 11 0 0.00 M M 8.1 25 270 M M M 36 280
9 60 42 51 3 14 0 0.00 M M 7.3 22 270 M M M 1 33 280
10 77 38 58 10 7 0 0.00 M M 6.8 21 220 M M M 27 220
11 71 45 58 10 7 0 0.00 M M 10.1 26 300 M M M 40 300
12 74 35 55 6 10 0 0.00 M M 6.4 15 80 M M M 19 90
13 87 43 65 16 0 0 0.30 M M 11.5 38 290 M M M 55 290
14 64 43 54 4 11 0 0.00 M M 23.1 40 270 M M M 50 360
15 M M M M M M M M M M M M M M M M M
16 M M M M M M M M M M M M M M M M M
17 43 32 38 -12 27 0 0.15 M M 12.1 18 300 M M M 32 320
18 M M M M M M M M M M M M M M M M M
19 M M M M M M M M M M M M M M M M M
================================================================================
SM 979 530 217 0 0.45 M 136.0 M M
================================================================================
AV 65.3 35.3 9.1 FASTST M M M MAX(MPH)
MISC ----> 40 270 55 290
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LEWISTOWN MT
MONTH: MAY
YEAR: 2026
LATITUDE: 47 2 N
LONGITUDE: 109 28 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 50.3 TOTAL FOR MONTH: 0.45 1 = FOG OR MIST
DPTR FM NORMAL: 2.2 DPTR FM NORMAL: -1.06 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 13 GRTST 24HR 0.30 ON 13-13 TO 1/4 MILE OR LESS
LOWEST: 18 ON 6 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 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: 2
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 5 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 217 CLEAR (SCALE 0-3) 0
DPTR FM NORMAL -105 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 6452 CLOUDY (SCALE 8-10) 19
DPTR FM NORMAL -1356
[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 29.41 ON 13
[REMARKS]