Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
000 CXUS53 KLOT 012048 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 248 PM CST WED MAR 01 2023 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2022 TO 2/28/2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 75 02/27/1976 LOW -27 01/20/1985 HIGHEST 59 12/29 66 12/15 12/16 LOWEST -8 12/23 -6 01/26 AVG. MAXIMUM 38.5 34.6 3.9 36.6 AVG. MINIMUM 25.0 21.6 3.4 20.8 MEAN 31.8 28.1 3.7 28.7 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 23 38.1 -15.1 33 DAYS MIN <= 32 62 77.9 -15.9 80 DAYS MIN <= 0 5 6.4 -1.4 3 PRECIPITATION (INCHES) RECORD MAXIMUM 13.79 1950 MINIMUM 1.60 1931 TOTALS 8.59 6.07 2.52 5.73 DAILY AVG. 0.10 0.07 0.03 0.06 DAYS >= .01 28 31.0 -3.0 29 DAYS >= .10 17 14.7 2.3 13 DAYS >= .50 5 3.3 1.7 3 DAYS >= 1.00 4 0.7 3.3 0 GREATEST 24 HR. TOTAL 1.51 12/14 TO 12/15 1.02 SNOWFALL (INCHES) RECORDS TOTAL 80.6 1979 TOTALS 16.8 29.6 -12.8 28.6 SINCE 7/1 17.9 31.6 -13.7 28.6 DAYS >= 1.0 7 8.9 -1.9 9 GREATEST SNOW DEPTH 3 01/29 6 01/29 01/30 01/31 02/01 24 HR TOTAL 3.6 01/25 TO 01/25 5.6 02/03 DEGREE DAYS HEATING TOTAL 2970 3318 -348 3249 SINCE 7/1 4035 4470 -435 4217 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.2 HIGHEST WIND SPEED/DIRECTION 32/270 DATE 12/23 32/190 02/14 32/240 02/15 HIGHEST GUST SPEED/DIRECTION 55/180 DATE 02/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.75 NUMBER OF DAYS FAIR 10 NUMBER OF DAYS PC 24 NUMBER OF DAYS CLOUDY 56 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 1 HEAVY RAIN 7 RAIN 13 LIGHT RAIN 23 FREEZING RAIN 0 LT FREEZING RAIN 4 HAIL 4 HEAVY SNOW 0 SNOW 7 LIGHT SNOW 29 SLEET 5 FOG 45 FOG W/VIS <= 1/4 MILE 7 HAZE 20 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$