WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS55 KRIW 271010
CF6CPR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CASPER WY
MONTH: MAY
YEAR: 2026
LATITUDE: 42 55 N
LONGITUDE: 106 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 63 25 44 -2 21 0 0.00 0.0 0 6.3 16 320 M M 1 23 320
2 72 29 51 5 14 0 0.00 0.0 0 11.3 22 290 M M 0 30 290
3 74 30 52 5 13 0 0.00 0.0 0 8.3 29 340 M M 1 43 340
4 60 38 49 2 16 0 T 0.0 0 14.2 26 10 M M 3 34 10
5 44 30 37 -11 28 0 0.07 T 0 8.4 18 10 M M 10 18 26 20
6 55 18 37 -11 28 0 0.00 0.0 0 9.1 25 280 M M 2 36 290
7 69 45 57 9 8 0 0.17 0.0 0 10.1 20 300 M M 8 13 35 360
8 70 39 55 6 10 0 0.01 0.0 0 9.7 21 250 M M 3 29 300
9 60 38 49 0 16 0 0.07 0.0 0 8.9 32 340 M M 5 1 43 340
10 73 35 54 4 11 0 0.00 0.0 0 8.5 18 210 M M 0 29 210
11 85 37 61 11 4 0 0.00 0.0 0 15.1 29 260 M M 0 39 260
12 75 36 56 6 9 0 0.00 0.0 0 8.0 18 80 M M 0 27 90
13 92 35 64 13 1 0 0.00 0.0 0 7.5 39 220 M M 0 50 270
14 76 47 62 11 3 0 0.00 0.0 0 17.6 36 270 M M 0 50 270
15 79 40 60 8 5 0 0.00 0.0 0 12.3 31 260 M M 0 58 220
16 78 31 55 3 10 0 0.03 0.0 0 9.0 37 190 M M 3 3 52 240
17 56 37 47 -5 18 0 0.11 0.0 0 12.9 20 30 M M 7 36 30
18 38 31 35 -18 30 0 0.62 2.5 2 14.1 31 30 M M 10 18 38 30
19 52 26 39 -14 26 0 0.00 0.0 0 11.2 18 240 M M 0 27 210
20 63 25 44 -10 21 0 0.00 0.0 0 10.4 21 220 M M 1 30 210
21 50 32 41 -13 24 0 0.51 0.0 0 10.1 30 10 M M 7 13 40 10
22 60 33 47 -7 18 0 0.00 0.0 0 10.2 22 270 M M 2 29 300
23 73 35 54 -1 11 0 0.00 0.0 M 9.3 17 260 M M 2 30 290
24 80 43 62 7 3 0 T 0.0 0 12.1 30 270 M M 2 44 290
25 81 49 65 9 0 0 0.00 0.0 0 8.5 26 170 M M 0 3 39 180
26 76 44 60 4 5 0 0.08 0.0 0 6.8 28 120 M M 3 3 44 120
================================================================================
SM 1754 908 353 0 1.67 2.5 269.9 M 70
================================================================================
AV 67.5 34.9 10.4 FASTST M M 3 MAX(MPH)
MISC ----> 39 220 58 220
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: CASPER WY
MONTH: MAY
YEAR: 2026
LATITUDE: 42 55 N
LONGITUDE: 106 28 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 51.2 TOTAL FOR MONTH: 1.67 1 = FOG OR MIST
DPTR FM NORMAL: 0.2 DPTR FM NORMAL: -0.20 2 = FOG REDUCING VISIBILITY
HIGHEST: 92 ON 13 GRTST 24HR 0.69 ON 17-18 TO 1/4 MILE OR LESS
LOWEST: 18 ON 6 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 2.5 INCHES 5 = HAIL
GRTST 24HR 2.5 ON 18-18 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 2 ON 18 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: 9
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 10 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 353 CLEAR (SCALE 0-3) 20
DPTR FM NORMAL -15 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 5736 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -1583
[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 29.52 ON 14
[REMARKS]