WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLSX 121400
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CAHOKIA/ST. LOUIS
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 38 34 N
LONGITUDE: 90 9 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 84 57 71 -3 0 6 0.00 0.0 0 3.2 12 40 M M 0 18 10
2 84 57 71 -2 0 6 0.03 0.0 0 2.1 8 330 M M 5 14 340
3 87 54 71 -2 0 6 0.07 0.0 0 4.9 17 330 M M 4 1 23 320
4 76 58 67 -6 0 2 0.02 0.0 0 4.2 15 340 M M 3 13 20 340
5 75 57 66 -6 0 1 T 0.0 0 6.3 16 350 M M 2 1 21 330
6 77 50 64 -8 1 0 0.00 M M 4.3 14 360 M M 3 20 360
7 73 44 59 -13 6 0 0.00 0.0 0 3.3 17 340 M M 0 24 330
8 77 42 60 -12 5 0 0.00 0.0 0 2.7 9 170 M M 0 15 150
9 82 46 64 -7 1 0 0.00 0.0 0 2.2 10 160 M M 0 14 170
10 89 56 73 2 0 8 0.00 0.0 0 1.5 9 200 M M 3 8 13 200
11 91 57 74 4 0 9 0.00 0.0 0 1.4 9 350 M M 0 14 350
================================================================================
SM 895 578 13 38 0.12 0.0 36.1 M 20
================================================================================
AV 81.4 52.5 3.3 FASTST M M 2 MAX(MPH)
MISC ----> # 17 330 24 330
================================================================================
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: SEPTEMBER
YEAR: 2025
LATITUDE: 38 34 N
LONGITUDE: 90 9 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 67.0 TOTAL FOR MONTH: 0.12 1 = FOG OR MIST
DPTR FM NORMAL: -5.1 DPTR FM NORMAL: -1.27 2 = FOG REDUCING VISIBILITY
HIGHEST: 91 ON 11 GRTST 24HR 0.09 ON 3- 4 TO 1/4 MILE OR LESS
LOWEST: 42 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: 3
MAX 90 OR ABOVE: 1 0.10 INCH OR MORE: 0
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 13 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 11 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 18 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 15
[CDD (BASE 65) ]
TOTAL THIS MO. 38
DPTR FM NORMAL -44 [PRESSURE DATA]
TOTAL FM JAN 1 1300 HIGHEST SLP M ON M
DPTR FM NORMAL -57 LOWEST SLP 29.74 ON 3
[REMARKS]