Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 191120
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI MAY 19 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 18 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         75    302 PM  94    1934  73      2       69
  MINIMUM         51   1159 PM  31    2002  49      2       38
  AVERAGE         63                        61      2       54

PRECIPITATION (IN)
  YESTERDAY        0.00          1.54 1987   0.14  -0.14     0.00
  MONTH TO DATE    2.82                      2.16   0.66     1.95
  SINCE MAR 1     12.74                      7.83   4.91     8.86
  SINCE JAN 1     16.77                     10.61   6.16    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        2                         6     -4       11
  MONTH TO DATE  149                       144      5      185
  SINCE MAR 1   1305                      1482   -177     1335
  SINCE JUL 1   5379                      6484  -1105     5521

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   26                        17      9        0
  SINCE MAR 1     34                        25      9        7
  SINCE JAN 1     34                        25      9        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM
 LOWEST     57          1200 PM
 AVERAGE    72

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        96      1934
 MINIMUM TEMPERATURE (F)   49        31      1929


SUNRISE AND SUNSET
MAY 19 2017...........SUNRISE   531 AM CDT   SUNSET   815 PM CDT
MAY 20 2017...........SUNRISE   530 AM CDT   SUNSET   816 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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