WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KLOT 010800
CF6MDW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: CHICAGO-MIDWAY
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 41 46 N
LONGITUDE: 87 45 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 34 26 30 -4 35 0 0.00 M M 10.0 18 310 M M 6 23 300
2 47 24 36 2 29 0 0.00 M M 7.1 13 240 M M 3 17 240
3 47 29 38 5 27 0 0.00 M M 11.6 22 250 M M 4 30 260
4 46 31 39 6 26 0 0.00 M M 9.7 18 30 M M 2 25 240
5 41 30 36 4 29 0 0.00 M M 6.0 12 50 M M 7 16 40
6 37 34 36 4 29 0 T M M 3.7 10 340 M M 10 1 12 320
7 38 34 36 4 29 0 0.00 M M 4.1 10 340 M M 10 13 350
8 37 33 35 4 30 0 0.00 M M 10.9 21 240 M M 10 18 32 240
9 53 32 43 12 22 0 0.00 M M 6.2 13 240 M M 3 1 17 250
10 57 31 44 14 21 0 0.00 M M 5.1 16 200 M M 4 18 24 180
11 45 35 40 10 25 0 0.80 M M 11.7 23 20 M M 9 18 31 70
12 42 32 37 7 28 0 0.76 M M 13.3 22 350 M M 10 18 28 350
13 37 27 32 3 33 0 T M M 7.9 20 280 M M 8 28 290
14 33 24 29 0 36 0 0.00 M M 11.0 18 290 M M 8 24 300
15 34 22 28 -1 37 0 0.00 M M 9.3 18 80 M M 9 23 90
16 34 29 32 3 33 0 T M M 8.4 16 100 M M 10 18 21 70
17 35 29 32 4 33 0 T M M 5.8 12 340 M M 9 15 340
18 37 24 31 3 34 0 0.00 M M 10.1 20 170 M M 5 35 170
19 45 35 40 12 25 0 0.00 M M 10.3 18 200 M M 10 29 210
20 42 32 37 9 28 0 0.00 M M 10.0 17 250 M M 7 1 28 210
21 47 33 40 13 25 0 T M M 14.1 30 290 M M 8 40 290
22 42 31 37 10 28 0 0.00 M M 10.6 23 180 M M 6 35 200
23 58 27 43 16 22 0 0.09 M M 21.0 35 200 M M 9 1 52 210
24 27 10 19 -8 46 0 T M M 16.7 33 260 M M 8 1 49 260
25 22 9 16 -11 49 0 T M M 13.9 23 250 M M 4 34 260
26 35 19 27 1 38 0 0.00 M M 6.9 18 250 M M 5 26 240
27 47 25 36 10 29 0 T M M 11.0 26 290 M M 9 38 290
28 34 22 28 2 37 0 0.00 M M 10.6 20 300 M M 5 30 310
29 33 18 26 0 39 0 0.23 M M 8.3 21 140 M M 8 16 30 120
30 36 26 31 5 34 0 0.21 M M 14.4 29 270 M M 10 16 43 260
31 30 23 27 1 38 0 0.00 M M 4.1 14 280 M M 8 18 300
================================================================================
SM 1232 836 974 0 2.09 M 303.8 M 224
================================================================================
AV 39.7 27.0 9.8 FASTST M M 7 MAX(MPH)
MISC ----> 35 200 52 210
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: CHICAGO-MIDWAY
MONTH: DECEMBER
YEAR: 2020
LATITUDE: 41 46 N
LONGITUDE: 87 45 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 33.4 TOTAL FOR MONTH: 2.09 1 = FOG OR MIST
DPTR FM NORMAL: 4.4 DPTR FM NORMAL: -0.48 2 = FOG REDUCING VISIBILITY
HIGHEST: 58 ON 23 GRTST 24HR 1.55 ON 11-12 TO 1/4 MILE OR LESS
LOWEST: 9 ON 25 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: 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: 3 0.01 INCH OR MORE: 5
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4
MIN 32 OR BELOW: 25 0.50 INCH OR MORE: 2
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 974 CLEAR (SCALE 0-3) 2
DPTR FM NORMAL -142 PTCLDY (SCALE 4-7) 13
TOTAL FM JUL 1 1959 CLOUDY (SCALE 8-10) 16
DPTR FM NORMAL -291
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 1274 HIGHEST SLP M ON M
DPTR FM NORMAL 229 LOWEST SLP 29.44 ON 23
[REMARKS]
#FINAL-12-20#