WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 180800
CF6DPA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: DUPAGE AIRPORT
MONTH: SEPTEMBER
YEAR: 2026
LATITUDE: 41 55 N
LONGITUDE: 88 15 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 93 73 83 14 0 18 T M M 8.2 13 220 M M 3 M M
2 94 73 84 15 0 19 0.00 M M 8.2 15 230 M M 1 M M
3 91 74 83 14 0 18 0.00 M M 6.3 18 10 M M 2 29 330
4 91 75 83 14 0 18 0.00 M M 7.0 18 60 M M 2 28 40
5 82 71 77 9 0 12 0.00 M M 8.0 14 50 M M 6 22 60
6 80 62 71 3 0 6 0.00 M M 7.7 15 50 M M 1 21 50
7 81 58 70 2 0 5 0.00 M M 5.0 10 90 M M 0 17 90
8 85 62 74 7 0 9 0.00 M M 6.2 15 180 M M 3 24 190
9 80 67 74 7 0 9 M M M 8.1 15 260 M M 7 25 260
10 77 57 67 0 0 2 0.00 M M 2.9 7 120 M M 2 12 M M
11 81 53 67 1 0 2 0.00 M M 4.2 10 170 M M 0 M M
12 86 61 74 8 0 9 0.00 M M 6.2 14 230 M M 2 21 240
13 73 51 62 -4 3 0 0.01 M M 6.1 14 330 M M 2 M M
14 70 46 58 -7 7 0 0.00 M M 6.6 13 170 M M 3 17 140
15 83 63 73 8 0 8 0.15 M M 8.3 15 180 M M 7 1 25 180
16 75 63 69 4 0 4 T M M 7.2 14 50 M M 10 1 M M
17 81 65 73 9 0 8 1.57 M M 6.4 14 10 M M 9 13 21 40
================================================================================
SM 1403 1074 10 147 1.73 M 112.6 M 60
================================================================================
AV 82.5 63.2 6.6 FASTST M M 4 MAX(MPH)
MISC ----> # 18 10 29 330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: DUPAGE AIRPORT
MONTH: SEPTEMBER
YEAR: 2026
LATITUDE: 41 55 N
LONGITUDE: 88 15 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 72.9 TOTAL FOR MONTH: 1.73 1 = FOG OR MIST
DPTR FM NORMAL: 5.9 DPTR FM NORMAL: 0.04 2 = FOG REDUCING VISIBILITY
HIGHEST: 94 ON 2 GRTST 24HR 1.57 ON 17-17 TO 1/4 MILE OR LESS
LOWEST: 46 ON 14 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 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: 4 0.10 INCH OR MORE: 2
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. 10 CLEAR (SCALE 0-3) 10
DPTR FM NORMAL -21 PTCLDY (SCALE 4-7) 5
TOTAL FM JUL 1 11 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -31
[CDD (BASE 65) ]
TOTAL THIS MO. 147
DPTR FM NORMAL 81 [PRESSURE DATA]
TOTAL FM JAN 1 828 HIGHEST SLP M ON M
DPTR FM NORMAL 38 LOWEST SLP M ON M
[REMARKS]