Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 220631
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON MAY 22 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         63    126 AM  93    1934  73    -10       80
  MINIMUM         50   1159 PM  29    2002  50      0       50
  AVERAGE         57                        62     -5       65

PRECIPITATION (IN)
  YESTERDAY        T             1.70 1940   0.15  -0.15     0.00
  MONTH TO DATE    3.57                      2.58   0.99     1.95
  SINCE MAR 1     13.49                      8.25   5.24     8.86
  SINCE JAN 1     17.52                     11.03   6.49    10.39

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE MAR 1      5.1                       5.7   -0.6      2.8
  SINCE JUL 1     22.1                      36.7  -14.6     24.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        8                         5      3        0
  MONTH TO DATE  185                       160     25      199
  SINCE MAR 1   1341                      1498   -157     1349
  SINCE JUL 1   5415                      6500  -1085     5535

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   26                        23      3        0
  SINCE MAR 1     34                        31      3        7
  SINCE JAN 1     34                        31      3        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    12.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     62          1100 AM
 AVERAGE    80

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


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


SUNRISE AND SUNSET
MAY 22 2017...........SUNRISE   529 AM CDT   SUNSET   818 PM CDT
MAY 23 2017...........SUNRISE   528 AM CDT   SUNSET   819 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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