WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
918
CXUS53 KLSX 221400
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CAHOKIA/ST. LOUIS
MONTH: APRIL
YEAR: 2025
LATITUDE: 38 34 N
LONGITUDE: 90 9 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 61 34 48 -4 17 0 0.00 0.0 0 10.5 21 130 M M 2 1 28 130
2 81 58 70 18 0 5 0.98 0.0 0 11.6 40 260 M M 6 13 64 250
3 62 47 55 3 10 0 0.14 0.0 0 5.3 17 330 M M 7 13 23 320
4 54 49 52 -1 13 0 2.48 0.0 0 8.2 22 330 M M 10 13 33 320
5 50 46 48 -5 17 0 1.14 0.0 0 12.7 21 10 M M 10 13 29 360
6 50 41 46 -7 19 0 T 0.0 0 8.1 14 10 M M 9 M M
7 63 33 48 -6 17 0 M 0.0 0 8.9 22 320 M M 1 32 320
8 52 30 41 -13 24 0 0.00 0.0 0 3.8 10 130 M M 0 1 16 160
9 70 40 55 1 10 0 T 0.0 0 7.9 22 170 M M 4 31 170
10 69 41 55 0 10 0 0.09 0.0 0 6.7 40 310 M M 3 13 54 320
11 56 41 49 -6 16 0 0.00 0.0 0 8.0 17 10 M M 9 18 22 10
12 M M M M M M M 0.0 0 M M M M M 0 1 M M
13 81 51 66 10 0 1 0.00 0.0 0 11.2 25 170 M M 0 37 170
14 74 55 65 9 0 0 0.00 0.0 0 10.4 23 310 M M 3 30 320
15 63 43 53 -3 12 0 0.00 0.0 0 14.0 30 300 M M 0 42 300
16 73 36 55 -2 10 0 0.00 0.0 0 5.6 17 160 M M 1 22 150
17 79 54 67 10 0 2 0.08 0.0 0 10.6 24 160 M M 5 37 190
18 78 61 70 13 0 5 0.04 M M 7.4 17 190 M M 2 13 29 200
19 68 54 61 3 4 0 2.47 0.0 0 6.2 28 280 M M 9 13 44 270
20 79 55 67 9 0 2 0.74 0.0 0 10.4 29 280 M M 6 13 45 260
21 68 50 59 1 6 0 0.00 M M 6.4 16 300 M M 4 23 300
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SM 1331 919 185 15 8.16 0.0 173.9 M 91
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AV 66.6 46.0 8.7 FASTST M M 4 MAX(MPH)
MISC ----> # 40 260 64 250
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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: CAHOKIA/ST. LOUIS
MONTH: APRIL
YEAR: 2025
LATITUDE: 38 34 N
LONGITUDE: 90 9 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 56.3 TOTAL FOR MONTH: 8.16 1 = FOG OR MIST
DPTR FM NORMAL: 1.3 DPTR FM NORMAL: 5.18 2 = FOG REDUCING VISIBILITY
HIGHEST: 81 ON 13, 2 GRTST 24HR 2.95 ON 4- 5 TO 1/4 MILE OR LESS
LOWEST: 30 ON 8 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: 9
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6
MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 5
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 3
[HDD (BASE 65) ]
TOTAL THIS MO. 185 CLEAR (SCALE 0-3) 10
DPTR FM NORMAL -41 PTCLDY (SCALE 4-7) 6
TOTAL FM JUL 1 3981 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -423
[CDD (BASE 65) ]
TOTAL THIS MO. 15
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 26 HIGHEST SLP M ON M
DPTR FM NORMAL 6 LOWEST SLP 29.40 ON 2
[REMARKS]