WFO Monthly/Daily Climate Data
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
787
CXUS53 KLSX 221400
CF6STL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: ST. LOUIS
MONTH: MAY
YEAR: 2025
LATITUDE: 38 45 N
LONGITUDE: 90 23 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 78 64 71 8 0 6 0.18 0.0 0 9.5 22 310 M M 8 38 37 320
2 67 56 62 -1 3 0 T 0.0 0 7.0 15 290 M M 7 20 290
3 56 53 55 -8 10 0 0.80 0.0 0 8.3 14 330 M M 10 1 19 290
4 63 47 55 -9 10 0 T 0.0 0 7.7 16 60 M M 8 22 60
5 61 47 54 -10 11 0 T 0.0 0 4.6 10 350 M M 7 8 14 350
6 73 45 59 -5 6 0 0.00 0.0 0 4.1 10 90 M M 4 18 170
7 75 57 66 1 0 1 0.02 0.0 0 6.2 21 120 M M 8 3 27 100
8 72 58 65 0 0 0 0.20 0.0 0 6.5 14 40 M M 8 13 21 40
9 72 50 61 -4 4 0 0.00 0.0 0 6.8 15 50 M M 3 22 30
10 78 50 64 -2 1 0 0.00 0.0 0 3.2 13 80 M M 6 19 80
11 81 57 69 3 0 4 0.00 0.0 0 7.5 15 90 M M 7 23 80
12 72 64 68 2 0 3 0.08 0.0 0 5.8 12 30 M M 10 1 17 30
13 82 63 73 7 0 8 0.00 0.0 0 3.9 13 110 M M 6 12 18 150
14 85 63 74 7 0 9 0.00 0.0 0 10.7 20 140 M M 4 27 130
15 88 69 79 12 0 14 T 0.0 0 11.5 25 270 M M 5 34 250
16 87 61 74 6 0 9 0.64 0.0 0 8.7 39 240 M M 3 3 53 240
17 76 61 69 1 0 4 0.00 0.0 0 12.8 24 290 M M 4 34 290
18 79 60 70 2 0 5 0.00 0.0 0 6.3 12 140 M M 6 20 70
19 85 68 77 9 0 12 1.47 0.0 0 13.2 30 200 M M 9 135 46 190
20 83 63 73 4 0 8 0.03 0.0 0 13.0 26 250 M M 7 3 35 240
21 74 58 66 -3 0 1 0.00 0.0 0 14.6 26 280 M M 3 37 260
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SM 1587 1214 45 84 3.42 0.0 171.9 M 133
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AV 75.6 57.8 8.2 FASTST M M 6 MAX(MPH)
MISC ----> 39 240 53 240
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NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: ST. LOUIS
MONTH: MAY
YEAR: 2025
LATITUDE: 38 45 N
LONGITUDE: 90 23 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 66.7 TOTAL FOR MONTH: 3.42 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: 0.08 2 = FOG REDUCING VISIBILITY
HIGHEST: 88 ON 15 GRTST 24HR 1.50 ON 19-20 TO 1/4 MILE OR LESS
LOWEST: 45 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: 8
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 45 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL -16 PTCLDY (SCALE 4-7) 14
TOTAL FM JUL 1 3822 CLOUDY (SCALE 8-10) 4
DPTR FM NORMAL -596
[CDD (BASE 65) ]
TOTAL THIS MO. 84
DPTR FM NORMAL 2 [PRESSURE DATA]
TOTAL FM JAN 1 150 HIGHEST SLP M ON M
DPTR FM NORMAL 23 LOWEST SLP 29.51 ON 15
[REMARKS]