WFO Monthly/Daily Climate Data Issued by NWS
000
CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-OHARE
MONTH: SEPTEMBER
YEAR: 2021
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
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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
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1 76 63 70 -1 0 5 0.00 0.0 0 12.1 21 40 M M 4 27 40
2 78 62 70 -1 0 5 0.00 0.0 0 5.7 15 100 M M 5 21 90
3 75 64 70 -1 0 5 0.01 0.0 0 7.0 12 140 M M 9 17 150
4 73 63 68 -2 0 3 T 0.0 0 8.5 17 180 M M 9 24 180
5 82 60 71 1 0 6 0.00 0.0 0 8.3 20 250 M M 2 28 270
6 82 61 72 2 0 7 0.00 0.0 0 5.0 14 100 M M 2 19 80
7 88 65 77 7 0 12 T 0.0 0 10.5 26 220 M M 5 3 42 200
8 79 59 69 0 0 4 0.00 0.0 0 10.6 22 280 M M 3 32 270
9 77 58 68 -1 0 3 0.00 0.0 0 5.6 13 100 M M 2 16 100
10 80 59 70 1 0 5 0.00 0.0 0 5.8 15 210 M M 3 21 220
11 87 65 76 8 0 11 0.00 0.0 0 8.8 18 220 M M 4 27 220
12 87 68 78 10 0 13 0.00 0.0 0 10.6 21 40 M M 7 25 260
13 88 68 78 10 0 13 0.00 0.0 0 6.1 16 50 M M 8 18 23 190
14 86 66 76 9 0 11 0.00 0.0 0 13.3 23 240 M M 7 32 240
15 79 59 69 2 0 4 0.00 0.0 0 5.8 15 80 M M 3 19 80
16 82 57 70 4 0 5 0.00 0.0 0 5.9 15 150 M M 0 21 150
17 89 64 77 11 0 12 0.45 0.0 0 8.0 20 20 M M 4 13 31 280
18 77 66 72 6 0 7 0.00 0.0 0 9.3 17 60 M M 3 23 50
19 89 64 77 12 0 12 0.00 0.0 0 5.3 15 120 M M 3 19 120
20 82 70 76 11 0 11 0.08 0.0 0 11.1 25 190 M M 8 13 35 180
21 75 60 68 4 0 3 0.17 0.0 0 12.2 21 280 M M 10 13 30 260
22 63 56 60 -4 5 0 0.40 0.0 0 16.8 28 360 M M 8 1 34 350
23 67 51 59 -5 6 0 0.00 0.0 0 10.8 20 350 M M 6 30 330
24 79 52 66 3 0 1 0.12 0.0 0 13.0 25 200 M M 5 1 39 190
25 69 50 60 -3 5 0 0.00 0.0 0 9.7 20 310 M M 6 27 240
26 83 54 69 7 0 4 0.00 0.0 0 12.6 26 230 M M 4 34 230
27 87 63 75 13 0 10 0.00 0.0 0 11.9 22 40 M M 2 26 230
28 73 60 67 6 0 2 0.00 0.0 0 9.0 15 30 M M 1 19 60
29 82 55 69 8 0 4 0.00 0.0 0 5.2 12 60 M M 3 17 90
30 80 59 70 10 0 5 0.00 0.0 0 4.6 14 100 M M 7 19 90
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SM 2394 1821 16 183 1.23 0.0 269.1 M 143
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AV 79.8 60.7 9.0 FASTST M M 5 MAX(MPH)
MISC ----> 28 360 42 200
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NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: CHICAGO-OHARE
MONTH: SEPTEMBER
YEAR: 2021
LATITUDE: 41 58 N
LONGITUDE: 87 54 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 70.3 TOTAL FOR MONTH: 1.23 1 = FOG OR MIST
DPTR FM NORMAL: 3.9 DPTR FM NORMAL: -1.96 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 19,17 GRTST 24HR 0.45 ON 17-17 TO 1/4 MILE OR LESS
LOWEST: 50 ON 25 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: 0 0.10 INCH OR MORE: 4
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. 16 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL -61 PTCLDY (SCALE 4-7) 16
TOTAL FM JUL 1 16 CLOUDY (SCALE 8-10) 5
DPTR FM NORMAL -66
[CDD (BASE 65) ]
TOTAL THIS MO. 183
DPTR FM NORMAL 67 [PRESSURE DATA]
TOTAL FM JAN 1 1257 HIGHEST SLP M ON M
DPTR FM NORMAL 269 LOWEST SLP 29.59 ON 7
[REMARKS]
#FINAL-09-21#