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
000
CDUS43 KLOT 040633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT WED APR 4 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 3 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    414 AM  81    1956  54    -14       54
  MINIMUM         34   1159 PM  17    1987  35     -1       46
                                      1879
  AVERAGE         37                        44     -7       50

PRECIPITATION (IN)
  YESTERDAY        0.20          0.93 1974   0.10   0.10     0.19
  MONTH TO DATE    0.20                      0.31  -0.11     0.19
  SINCE MAR 1      1.94                      2.81  -0.87     4.20
  SINCE JAN 1      8.12                      6.33   1.79     8.59

SNOWFALL (IN)
  YESTERDAY        T             2.7  1984   0.1   -0.1      0.0
  MONTH TO DATE    T                         0.3   -0.3      0.0
  SINCE MAR 1      2.6                       5.9   -3.3      7.8
  SINCE JUL 1     32.9                      35.4   -2.5     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        21      7       15
  MONTH TO DATE   95                        64     31       46
  SINCE MAR 1    962                       905     57      831
  SINCE JUL 1   5420                      5639   -219     4756

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


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          1200 PM
 LOWEST     70           100 AM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        79      1929
                                             1921
 MINIMUM TEMPERATURE (F)   35        16      1975


SUNRISE AND SUNSET
APRIL  4 2018.........SUNRISE   629 AM CDT   SUNSET   721 PM CDT
APRIL  5 2018.........SUNRISE   628 AM CDT   SUNSET   722 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.