Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 172134
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT THU MAY 17 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 17 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         79    235 PM  91    1934  72      7       85
  MINIMUM         52    441 AM  32    1930  49      3       65
  AVERAGE         66                        60      6       75

PRECIPITATION (IN)
  TODAY            0.00          2.25 1969   0.13  -0.13     0.83
  MONTH TO DATE    3.11                      2.02   1.09     2.82
  SINCE MAR 1      5.49                      7.69  -2.20    12.74
  SINCE JAN 1     10.44                     10.47  -0.03    16.77

SNOWFALL (IN)
  TODAY            0.0           T    2017   0.0    0.0       T
  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            0                         6     -6        0
  MONTH TO DATE   52                       138    -86      147
  SINCE MAR 1   1671                      1476    195     1303
  SINCE JUL 1   6612                      6478    134     5377

 COOLING
  TODAY            1                         1      0       10
  MONTH TO DATE   21                        15      6       26
  SINCE MAR 1     21                        23     -2       34
  SINCE JAN 1     21                        23     -2       34
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     43          1100 AM
 AVERAGE    66

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


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 2018...........SUNRISE   533 AM CDT   SUNSET   813 PM CDT
MAY 18 2018...........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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