Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 210635
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON MAY 21 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64   1213 AM  94    1934  73     -9       63
  MINIMUM         45    837 AM  31    1924  50     -5       47
  AVERAGE         55                        61     -6       55

PRECIPITATION (IN)
  YESTERDAY        0.66          2.14 1996   0.14   0.52     0.53
  MONTH TO DATE    3.83                      2.43   1.40     3.57
  SINCE MAR 1      6.21                      8.10  -1.89    13.49
  SINCE JAN 1     11.16                     10.88   0.28    17.52

SNOWFALL (IN)
  YESTERDAY       MM             T    2015   0.0   MM        0.0
  MONTH TO DATE    T                         0.0    0.0       T
  SINCE MAR 1      6.5                       5.7    0.8      5.1
  SINCE JUL 1     34.8                      36.7   -1.9     22.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                         5      5       10
  MONTH TO DATE   62                       155    -93      177
  SINCE MAR 1   1681                      1493    188     1333
  SINCE JUL 1   6622                      6495    127     5407

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   22                        21      1       26
  SINCE MAR 1     22                        29     -7       34
  SINCE JAN 1     22                        29     -7       34
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    10.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           300 AM
 LOWEST     71           900 PM
 AVERAGE    79

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1934
 MINIMUM TEMPERATURE (F)   50        29      2002


SUNRISE AND SUNSET
MAY 21 2018...........SUNRISE   530 AM CDT   SUNSET   817 PM CDT
MAY 22 2018...........SUNRISE   529 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.




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