Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 172136
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT WED MAY 17 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         84    259 PM  91    1934  72     12       64
  MINIMUM         69    455 AM  32    1930  49     20       43
  AVERAGE         77                        60     17       54

PRECIPITATION (IN)
  TODAY            T             2.25 1969   0.13  -0.13      T
  MONTH TO DATE    1.99                      2.02  -0.03     1.95
  SINCE MAR 1     11.91                      7.69   4.22     8.86
  SINCE JAN 1     15.94                     10.47   5.47    10.39

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       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

DEGREE DAYS
 HEATING
  TODAY            0                         6     -6       11
  MONTH TO DATE  147                       138      9      174
  SINCE MAR 1   1303                      1476   -173     1324
  SINCE JUL 1   5377                      6478  -1101     5510

 COOLING
  TODAY           12                         1     11        0
  MONTH TO DATE   28                        15     13        0
  SINCE MAR 1     36                        23     13        7
  SINCE JAN 1     36                        23     13        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    15.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           500 AM
 LOWEST     47           300 PM
 AVERAGE    60

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


THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1934
 MINIMUM TEMPERATURE (F)   49        31      2002


SUNRISE AND SUNSET
MAY 17 2017...........SUNRISE   533 AM CDT   SUNSET   813 PM CDT
MAY 18 2017...........SUNRISE   532 AM CDT   SUNSET   814 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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