Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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

867
CDUS43 KLOT 260639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT FRI MAY 26 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 25 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         69    248 PM  94    1911  73     -4       86
  MINIMUM         52   1114 PM  32    1992  51      1       64
  AVERAGE         61                        62     -1       75

PRECIPITATION (IN)
  YESTERDAY        0.00          2.52 1879   0.12  -0.12     0.95
  MONTH TO DATE    2.75                      2.97  -0.22     4.61
  SINCE MAR 1     13.19                      8.85   4.34    10.75
  SINCE JAN 1     17.58                     12.37   5.21    12.82

SNOWFALL (IN)
  YESTERDAY        0.0           T    1924   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                         5     -1        0
  MONTH TO DATE  229                       198     31      225
  SINCE MAR 1   1353                      1531   -178     1407
  SINCE JUL 1   5278                      6265   -987     5415

 COOLING
  YESTERDAY        0                         2     -2       10
  MONTH TO DATE   18                        30    -12       18
  SINCE MAR 1     30                        40    -10       25
  SINCE JAN 1     30                        40    -10       25
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     55           300 PM
 AVERAGE    72

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1911
 MINIMUM TEMPERATURE (F)   51        34      1983


SUNRISE AND SUNSET
MAY 26 2017...........SUNRISE   522 AM CDT   SUNSET   816 PM CDT
MAY 27 2017...........SUNRISE   521 AM CDT   SUNSET   817 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.