WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
828
CXUS53 KLSX 221400
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
12 94 58 76 6 0 11 0.00 0.0 0 3.4 12 140 M M 1 16 130
13 96 64 80 10 0 15 0.00 0.0 0 3.0 9 270 M M 0 12 310
14 97 66 82 12 0 17 0.00 M M 3.1 16 90 M M 0 3 27 80
15 94 68 81 12 0 16 0.00 M M 2.8 14 50 M M 0 18 18 80
16 93 63 78 9 0 13 0.00 M M 2.3 13 350 M M 0 8 19 30
17 92 58 75 7 0 10 0.00 M M 1.2 8 20 M M 0 18 12 20
18 95 57 76 8 0 11 T M M 3.8 22 290 M M 1 1 32 300
19 85 64 75 7 0 10 0.03 M M 2.9 16 90 M M 1 13 20 90
20 89 60 75 8 0 10 0.01 M M 4.5 21 70 M M 2 13 27 80
21 87 60 74 7 0 9 0.16 0.0 0 3.5 13 160 M M 1 1 20 220
================================================================================
SM 1817 1196 13 160 0.32 0.0 66.6 M 26
================================================================================
AV 86.5 57.0 3.2 FASTST M M 1 MAX(MPH)
MISC ----> 22 290 32 300
================================================================================
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: 71.7 TOTAL FOR MONTH: 0.32 1 = FOG OR MIST
DPTR FM NORMAL: 1.3 DPTR FM NORMAL: -2.21 2 = FOG REDUCING VISIBILITY
HIGHEST: 97 ON 14 GRTST 24HR 0.16 ON 21-21 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: 6
MAX 90 OR ABOVE: 8 0.10 INCH OR MORE: 1
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) 19
DPTR FM NORMAL -3 PTCLDY (SCALE 4-7) 2
TOTAL FM JUL 1 18 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 1
[CDD (BASE 65) ]
TOTAL THIS MO. 160
DPTR FM NORMAL 28 [PRESSURE DATA]
TOTAL FM JAN 1 1422 HIGHEST SLP M ON M
DPTR FM NORMAL 15 LOWEST SLP 29.74 ON 3
[REMARKS]