Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | 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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
627
CDUS43 KLOT 201539
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1038 AM CDT MON MAR 20 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         53    422 PM  78    2012  48      5       46
                                      1921
  MINIMUM         29    535 AM   0    1923  30     -1       35
  AVERAGE         41                        39      2       41

PRECIPITATION (IN)
  YESTERDAY        0.00          2.50 1948   0.08  -0.08     0.00
  MONTH TO DATE    0.88                      1.46  -0.58     1.30
  SINCE MAR 1      0.88                      1.46  -0.58     1.30
  SINCE JAN 1      5.27                      4.98   0.29     3.37

SNOWFALL (IN)
  YESTERDAY        0.0           4.1  1986   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       4.1    3.7      2.6
  SINCE MAR 1      7.8                       4.1    3.7      2.6
  SINCE JUL 1     26.1                      33.6   -7.5     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       24                        26     -2       24
  MONTH TO DATE  543                       556    -13      415
  SINCE MAR 1    543                       556    -13      415
  SINCE JUL 1   4468                      5290   -822     4423

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           600 AM
 LOWEST     46           300 PM
 AVERAGE    66

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   48        85      2012
 MINIMUM TEMPERATURE (F)   31         4      1885


SUNRISE AND SUNSET
MARCH 20 2017.........SUNRISE   654 AM CDT   SUNSET   704 PM CDT
MARCH 21 2017.........SUNRISE   653 AM CDT   SUNSET   705 PM CDT


-  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.