WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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691
CXUS53 KLOT 170800
CF6DPA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: DUPAGE AIRPORT
MONTH: JULY
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 92 77 85 12 0 20 0.00 M M 13.2 22 220 M M 0 27 230
2 93 70 82 9 0 17 2.24 M M 8.3 32 260 M M 3 13 44 270
3 87 70 79 6 0 14 1.02 M M 6.9 36 270 M M 4 13 50 280
4 84 68 76 3 0 11 0.63 M M 6.0 23 330 M M 5 13 32 340
5 77 65 71 -3 0 6 0.00 M M 8.0 14 20 M M 7 1 20 20
6 81 64 73 -1 0 8 0.00 M M 7.4 17 40 M M 1 24 30
7 85 60 73 -1 0 8 0.00 M M 2.8 10 300 M M 0 14 280
8 87 64 76 2 0 11 0.00 M M 4.6 13 240 M M 0 17 270
9 85 70 78 4 0 13 0.04 M M 5.8 14 220 M M 2 13 19 240
10 82 65 74 0 0 9 0.00 M M 6.5 13 60 M M 2 1 18 40
11 84 63 74 0 0 9 0.00 M M 8.3 20 70 M M 0 24 40
12 87 62 75 1 0 10 0.00 M M 4.8 13 30 M M 0 17 50
13 89 64 77 3 0 12 0.00 M M 3.9 13 330 M M 0 17 340
14 93 69 81 7 0 16 0.00 M M 3.6 10 240 M M 0 14 250
15 92 71 82 8 0 17 0.00 M M 4.0 13 320 M M 0 19 330
16 91 71 81 7 0 16 0.04 M M 3.2 17 10 M M 6 18 20 360
================================================================================
SM 1389 1073 0 197 3.97 M 97.3 M 30
================================================================================
AV 86.8 67.1 6.1 FASTST M M 2 MAX(MPH)
MISC ----> 36 270 50 280
================================================================================
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: JULY
YEAR: 2026
LATITUDE: 41 55 N
LONGITUDE: 88 15 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 76.9 TOTAL FOR MONTH: 3.97 1 = FOG OR MIST
DPTR FM NORMAL: 3.2 DPTR FM NORMAL: 2.16 2 = FOG REDUCING VISIBILITY
HIGHEST: 93 ON 14, 2 GRTST 24HR 2.62 ON 2- 3 TO 1/4 MILE OR LESS
LOWEST: 60 ON 7 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: 5
MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 3
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 11
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 5
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 197
DPTR FM NORMAL 57 [PRESSURE DATA]
TOTAL FM JAN 1 410 HIGHEST SLP M ON M
DPTR FM NORMAL 39 LOWEST SLP 29.81 ON 9
[REMARKS]