Climatological Report (Daily)
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CDUS43 KLOT 210644
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1242 AM CST SAT JAN 21 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JANUARY 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47   1155 PM  53    1954  31     16       25
  MINIMUM         37    646 AM -25    1985  18     19       13
  AVERAGE         42                        25     17       19

PRECIPITATION (IN)
  YESTERDAY        0.18          0.99 1974   0.06   0.12     0.03
  MONTH TO DATE    2.65                      1.43   1.22     0.56
  SINCE DEC 1      3.90                      4.00  -0.10     5.96
  SINCE JAN 1      2.65                      1.43   1.22     0.56

DEGREE DAYS
 HEATING
  YESTERDAY       23                        40    -17       46
  MONTH TO DATE  746                       799    -53      811
  SINCE DEC 1   1914                      1915     -1     1542
  SINCE JUL 1   2626                      3050   -424     2352

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


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   E (80)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     6.4



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


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1934
 MINIMUM TEMPERATURE (F)   18       -17      1984


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   712 AM CST   SUNSET   453 PM CST
JANUARY 22 2017.......SUNRISE   712 AM CST   SUNSET   454 PM CST


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




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