Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011832
CLMORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 PM CST MON MAR 01 2021

...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2021...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1871 TO 2021

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             -21   02/09/1899
HIGHEST           52   02/27         MM      MM       55  02/23
LOWEST            -7   02/07         MM      MM       -2  02/14
AVG. MAXIMUM    27.4               35.3    -7.9     37.3
AVG. MINIMUM    13.0               20.1    -7.1     23.1
MEAN            20.2               27.7    -7.5     30.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    16               10.3     5.7        7
DAYS MIN <= 32    25               24.0     1.0       24
DAYS MIN <= 0      5                1.7     3.3        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.98   1881
 MINIMUM        0.06   1877
TOTALS          1.25               1.79   -0.54     0.77
DAILY AVG.      0.04               0.06   -0.02     0.03
DAYS >= .01       14                8.8     5.2        9
DAYS >= .10        4                4.4    -0.4        4
DAYS >= .50        0                0.9    -0.9        0
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.32   02/21 TO 02/21               0.18  02/12 TO 02/12

SNOWFALL (INCHES)
RECORDS
 TOTAL          29.0   2011
TOTALS          21.6                9.1    12.5      8.8
SINCE 7/1       47.0               29.5    17.5       MM
SNOWDEPTH AVG.    13                                   1
DAYS >= 1.0        6                2.7     3.3        6
GREATEST
 SNOW DEPTH       21   02/16                           3  02/15
                                                          02/14
                                                          02/13
 24 HR TOTAL     6.1   02/15 TO 02/15

DEGREE DAYS
HEATING TOTAL   1247               1044     203     1002
 SINCE 7/1      4340               4733    -393     4386
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    31/280    DATE  02/04
                                31/250          02/05
HIGHEST GUST SPEED/DIRECTION    49/250    DATE  02/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.64
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         12


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               16     SLEET                      1
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                     11

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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