WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 010800
CF6DPA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: DU PAGE AIRPORT
MONTH: SEPTEMBER
YEAR: 2021
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 79 57 68 -1 0 3 0.00 M M 8.7 18 50 M M 2 25 50
2 80 57 69 0 0 4 0.00 M M 3.2 13 100 M M 1 20 100
3 74 56 65 -4 0 0 0.01 M M 5.5 13 150 M M 5 18 150
4 74 58 66 -3 0 1 0.01 M M 6.5 17 180 M M 9 18 25 190
5 83 54 69 1 0 4 0.00 M M 7.8 21 280 M M 1 1 27 290
6 83 55 69 1 0 4 0.00 M M 2.4 13 240 M M 1 20 240
7 90 60 75 7 0 10 T M M 11.1 29 220 M M 1 3 38 210
8 80 54 67 0 0 2 0.00 M M 9.4 23 280 M M 2 31 280
9 78 53 66 -1 0 1 0.00 M M 2.3 12 320 M M 2 15 300
10 80 53 67 0 0 2 0.00 M M 5.6 15 190 M M 1 8 21 220
11 87 60 74 8 0 9 0.00 M M 8.7 21 210 M M 0 27 210
12 87 67 77 11 0 12 0.00 M M 10.1 20 230 M M 1 28 220
13 88 65 77 11 0 12 0.00 M M 6.0 20 180 M M 1 1 28 150
14 87 64 76 11 0 11 0.00 M M 12.7 25 240 M M 2 33 240
15 79 54 67 2 0 2 0.00 M M 4.1 12 50 M M 1 16 10
16 83 50 67 2 0 2 0.00 M M 4.6 16 160 M M 0 24 180
17 90 55 73 9 0 8 0.31 M M 7.6 25 350 M M 2 1 33 350
18 80 59 70 6 0 5 0.00 M M 7.6 16 60 M M 0 23 40
19 90 59 75 11 0 10 0.00 M M 5.2 13 170 M M 1 17 160
20 81 68 75 12 0 10 0.35 M M 11.5 25 180 M M 6 1 36 190
21 68 58 63 0 2 0 0.16 M M 10.6 20 230 M M 8 1 28 210
22 63 55 59 -3 6 0 0.00 M M 14.6 26 350 M M 3 33 350
23 69 48 59 -3 6 0 0.00 M M 10.3 23 320 M M 0 34 320
24 80 46 63 1 2 0 0.09 M M 12.2 26 210 M M 3 1 37 210
25 70 46 58 -3 7 0 0.00 M M 8.9 22 280 M M 2 29 280
26 84 50 67 6 0 2 0.00 M M 12.3 25 230 M M 0 33 230
27 88 58 73 13 0 8 0.00 M M 10.4 21 50 M M 0 26 240
28 76 51 64 4 1 0 0.00 M M 7.2 15 50 M M 0 19 50
29 84 50 67 8 0 2 0.00 M M 4.5 13 60 M M 0 1 16 50
30 85 53 69 10 0 4 0.00 M M 4.2 14 60 M M 0 1 20 90
================================================================================
SM 2420 1673 24 128 0.93 M 235.8 M 55
================================================================================
AV 80.7 55.8 7.9 FASTST M M 2 MAX(MPH)
MISC ----> 29 220 38 210
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: DU PAGE AIRPORT
MONTH: SEPTEMBER
YEAR: 2021
LATITUDE: 41 55 N
LONGITUDE: 88 15 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 68.2 TOTAL FOR MONTH: 0.93 1 = FOG OR MIST
DPTR FM NORMAL: 3.6 DPTR FM NORMAL: -2.07 2 = FOG REDUCING VISIBILITY
HIGHEST: 90 ON 19,17 GRTST 24HR 0.50 ON 20-21 TO 1/4 MILE OR LESS
LOWEST: 46 ON 25,24 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: 6
MAX 90 OR ABOVE: 3 0.10 INCH OR MORE: 3
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. 24 CLEAR (SCALE 0-3) 26
DPTR FM NORMAL -76 PTCLDY (SCALE 4-7) 3
TOTAL FM JUL 1 24 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -87
[CDD (BASE 65) ]
TOTAL THIS MO. 128
DPTR FM NORMAL 40 [PRESSURE DATA]
TOTAL FM JAN 1 1039 HIGHEST SLP M ON M
DPTR FM NORMAL 227 LOWEST SLP 29.61 ON 7
[REMARKS]
#FINAL-09-21#