Climatological Report (Daily)
Issued by NWS Chicago, IL

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902
CDUS43 KLOT 162136
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SUN MAY 16 2021

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 16 2021...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         72  12:46 PM  90    1992  71      1       73
  MINIMUM         54   2:08 AM  29    1997  50      4       51
  AVERAGE         63                        60      3       62

PRECIPITATION (IN)
  TODAY            0.00          2.54 1974   0.13  -0.13     0.06
  MONTH TO DATE    1.12                      1.99  -0.87     2.34
  SINCE MAR 1      4.27                      8.14  -3.87    10.14
  SINCE JAN 1      7.12                     11.37  -4.25    13.28

SNOWFALL (IN)
  TODAY            0.0           T    2014   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      2.0                       5.8   -3.8      5.6
  SINCE JUL 1     36.5                      37.1   -0.6     34.3

DEGREE DAYS
 HEATING
  TODAY            2                         6     -4        3
  MONTH TO DATE  154                       132     22      191
  SINCE MAR 1   1219                      1474   -255     1443
  SINCE JUL 1   5964                      6402   -438     6114

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   13                        15     -2        3
  SINCE MAR 1     27                        22      5        3
  SINCE JAN 1     27                        22      5        3
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          12:00 AM
 LOWEST     51           1:00 PM
 AVERAGE    71

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        91      1934
 MINIMUM TEMPERATURE (F)   50        32      1930


SUNRISE AND SUNSET
MAY 16 2021...........SUNRISE   5:34 AM CDT   SUNSET   8:12 PM CDT
MAY 17 2021...........SUNRISE   5:33 AM CDT   SUNSET   8:13 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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