WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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958
CXUS53 KLSX 291400
CF6CPS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CAHOKIA/ST. LOUIS
MONTH: MAY
YEAR: 2026
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 64 44 54 -8 11 0 T 0.0 0 7.9 16 320 M M 3 29 350
2 61 44 53 -9 12 0 0.01 0.0 0 6.5 20 30 M M 5 26 30
3 78 41 60 -2 5 0 0.00 0.0 0 7.9 20 200 M M 0 32 210
4 79 58 69 6 0 4 M 0.0 0 7.5 17 130 M M 3 13 29 200
5 70 46 58 -5 7 0 0.14 0.0 0 9.2 22 340 M M 9 1 29 340
6 63 43 53 -10 12 0 0.04 0.0 0 5.6 16 360 M M 6 1 24 340
7 68 39 54 -10 11 0 0.00 0.0 0 5.1 14 250 M M 1 21 290
8 77 47 62 -2 3 0 0.49 0.0 0 6.6 16 360 M M 3 1 23 320
9 81 56 69 5 0 4 0.03 0.0 0 7.4 32 330 M M 4 45 320
10 70 49 60 -5 5 0 0.01 0.0 0 7.3 17 350 M M 3 24 360
11 78 44 61 -4 4 0 0.00 0.0 0 4.0 18 340 M M 0 26 340
12 83 51 67 2 0 2 0.00 0.0 0 6.3 15 200 M M 0 27 210
13 75 51 63 -3 2 0 0.00 0.0 0 10.8 23 330 M M 1 32 320
14 75 45 60 -6 5 0 0.00 0.0 0 5.8 14 140 M M 0 22 130
15 84 58 71 5 0 6 0.00 0.0 0 9.2 18 150 M M 1 26 190
16 80 68 74 7 0 9 0.01 0.0 0 5.7 17 30 M M 4 3 23 30
17 89 63 76 9 0 11 0.00 0.0 0 9.7 22 190 M M 1 37 170
18 80 65 73 6 0 8 1.97 0.0 0 9.3 26 350 M M 5 13 34 130
19 79 62 71 3 0 6 0.03 0.0 0 7.6 17 340 M M 5 1 22 180
20 67 55 61 -7 4 0 M 0.0 0 8.9 16 350 M M 10 22 350
21 69 53 61 -7 4 0 0.00 0.0 0 6.5 14 50 M M 6 18 50
22 68 61 65 -4 0 0 0.00 0.0 0 5.5 12 50 M M 9 15 50
23 73 64 69 0 0 4 T 0.0 0 2.4 8 170 M M 8 1 10 160
24 81 59 70 1 0 5 T 0.0 0 3.5 14 340 M M 4 1 18 340
25 81 54 68 -2 0 3 0.00 0.0 0 4.4 18 70 M M 0 18 23 60
26 84 61 73 3 0 8 T 0.0 0 4.3 15 60 M M 4 19 80
27 83 66 75 5 0 10 0.01 0.0 0 3.4 16 90 M M 7 1 20 90
28 87 63 75 5 0 10 0.00 0.0 0 6.5 18 90 M M 0 1 25 90
================================================================================
SM 2127 1510 85 90 2.74 0.0 184.8 M 102
================================================================================
AV 76.0 53.9 6.6 FASTST M M 4 MAX(MPH)
MISC ----> 32 330 45 320
================================================================================
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: MAY
YEAR: 2026
LATITUDE: 38 34 N
LONGITUDE: 90 9 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 64.9 TOTAL FOR MONTH: 2.74 1 = FOG OR MIST
DPTR FM NORMAL: -1.2 DPTR FM NORMAL: -1.64 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 17 GRTST 24HR 2.00 ON 18-19 TO 1/4 MILE OR LESS
LOWEST: 39 ON 7 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: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 85 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL 6 PTCLDY (SCALE 4-7) 12
TOTAL FM JUL 1 3906 CLOUDY (SCALE 8-10) 4
DPTR FM NORMAL -633
[CDD (BASE 65) ]
TOTAL THIS MO. 90
DPTR FM NORMAL -21 [PRESSURE DATA]
TOTAL FM JAN 1 208 HIGHEST SLP M ON M
DPTR FM NORMAL 66 LOWEST SLP 29.57 ON 4
[REMARKS]