Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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
000
CXUS53 KLOT 011344
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
829 AM CDT THU AUG 1 2019

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JULY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             105   07/24/1934
 LOW               45   07/07/1983
HIGHEST            95   07/20        84      11       95  07/13
LOWEST             59   07/31        63      -4       59  07/07
                        07/12
AVG. MAXIMUM     86.1              84.1     2.0     85.1
AVG. MINIMUM     68.2              63.9     4.3     67.4
MEAN             77.1              74.0     3.1     76.3
DAYS MAX >= 90     10               5.9     4.1        8
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.15   2011
 MINIMUM         0.22   1936
TOTALS           3.94              3.70    0.24     1.14
DAILY AVG.       0.13              0.12    0.01     0.04
DAYS >= .01        10               9.8     0.2       11
DAYS >= .10         6               6.0     0.0        5
DAYS >= .50         2               2.3    -0.3        0
DAYS >= 1.00        1               1.0     0.0        0
GREATEST
 24 HR. TOTAL    1.36   07/18 TO 07/18           07/14 TO 07/14

DEGREE_DAYS
HEATING TOTAL       0                 4      -4        0
 SINCE 7/1          0                 4      -4        0
COOLING TOTAL     382               283      99      357
 SINCE 1/1        545               502      43      721
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
RESULTANT WIND SPEED/DIRECTION   1/242
HIGHEST WIND SPEED/DIRECTION    32/010    DATE  07/20
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  07/05


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.