WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS55 KRIW 311010
CF6P60
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LAKE YELLOWSTONE WY
MONTH: MAY
YEAR: 2026
LATITUDE: 44 32 N
LONGITUDE: 110 25 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 52 18 35 1 30 0 0.00 M M 1.7 7 110 M M 0 12 80
2 57 21 39 5 26 0 0.00 M M 2.8 13 260 M M 0 23 270
3 58 26 42 8 23 0 0.00 M M 1.8 13 280 M M 0 22 250
4 56 26 41 6 24 0 0.00 M M 2.4 10 330 M M 0 22 290
5 42 22 32 -3 33 0 0.00 M M 3.9 15 310 M M 0 31 310
6 52 16 34 -1 31 0 0.01 M M 5.0 17 280 M M 0 34 270
7 54 29 42 6 23 0 0.05 M M 3.5 14 280 M M 0 27 320
8 58 27 43 7 22 0 0.00 M M 3.4 13 280 M M 0 24 270
9 54 28 41 5 24 0 0.00 M M 3.2 12 270 M M 0 21 240
10 63 25 44 7 21 0 0.00 M M 2.7 14 280 M M 0 22 320
11 69 29 49 12 16 0 0.00 M M 4.1 23 270 M M 0 39 270
12 M M M M M M 0.00 M M 1.0 4 120 M M 0 M M
13 72 31 52 14 13 0 0.02 M M 3.5 21 270 M M 0 39 280
14 54 28 41 3 24 0 0.00 M M 6.6 20 280 M M 0 34 220
15 55 25 40 2 25 0 0.00 M M 5.5 17 280 M M 0 32 240
16 49 28 39 0 26 0 0.00 M M 5.3 15 260 M M 0 31 240
17 39 24 32 -7 33 0 0.01 M M 4.6 15 310 M M 0 29 340
18 39 23 31 -8 34 0 0.00 M M 4.7 13 300 M M 0 27 300
19 49 16 33 -7 32 0 0.00 M M 3.2 13 270 M M 0 22 280
20 50 26 38 -2 27 0 0.00 M M 3.2 15 280 M M 0 26 300
21 41 26 34 -6 31 0 0.41 M M 3.6 13 310 M M 0 24 340
22 51 21 36 -4 29 0 0.00 M M 2.7 10 270 M M 0 17 280
23 59 31 45 4 20 0 0.01 M M 3.2 17 270 M M 0 28 260
24 58 27 43 2 22 0 0.01 M M 2.1 17 280 M M 0 33 270
25 67 30 49 8 16 0 0.00 M M 2.5 10 200 M M 0 28 230
26 66 31 49 7 16 0 0.03 M M 1.4 9 260 M M 0 17 60
27 69 34 52 10 13 0 0.00 M M 1.6 8 150 M M 0 12 140
28 72 34 53 11 12 0 0.00 M M 1.6 10 270 M M 0 17 150
29 68 32 50 8 15 0 0.01 M M 2.0 14 300 M M 0 25 320
30 47 40 44 2 21 0 0.23 M M 1.5 12 280 M M 0 17 280
================================================================================
SM 1620 774 682 0 0.79 M 94.3 M 0
================================================================================
AV 55.9 26.7 3.1 FASTST M M 0 MAX(MPH)
MISC ----> 23 270 # 39 270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LAKE YELLOWSTONE WY
MONTH: MAY
YEAR: 2026
LATITUDE: 44 32 N
LONGITUDE: 110 25 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 41.3 TOTAL FOR MONTH: 0.79 1 = FOG OR MIST
DPTR FM NORMAL: 2.9 DPTR FM NORMAL: -1.47 2 = FOG REDUCING VISIBILITY
HIGHEST: 72 ON 28,13 GRTST 24HR 0.41 ON 21-21 TO 1/4 MILE OR LESS
LOWEST: 16 ON 19, 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 26 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 682 CLEAR (SCALE 0-3) 30
DPTR FM NORMAL -119 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 9724 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL -1727
[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 29.67 ON 26
[REMARKS]