Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 212139
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT MON MAY 21 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         62    100 PM  93    1934  73    -11       63
  MINIMUM         50    604 AM  29    2002  50      0       50
  AVERAGE         56                        62     -6       57

PRECIPITATION (IN)
  TODAY            0.58          1.70 1940   0.15   0.43      T
  MONTH TO DATE    4.41                      2.58   1.83     3.57
  SINCE MAR 1      6.79                      8.25  -1.46    13.49
  SINCE JAN 1     11.74                     11.03   0.71    17.52

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      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

DEGREE DAYS
 HEATING
  TODAY            9                         5      4        8
  MONTH TO DATE   71                       160    -89      185
  SINCE MAR 1   1690                      1498    192     1341
  SINCE JUL 1   6631                      6500    131     5415

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   22                        23     -1       26
  SINCE MAR 1     22                        31     -9       34
  SINCE JAN 1     22                        31     -9       34
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 AM
 LOWEST     71           100 AM
 AVERAGE    86

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        94      1925
 MINIMUM TEMPERATURE (F)   50        33      1967


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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