Climatological Report (Daily)
Issued by NWS Chicago, IL

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000
CDUS43 KLOT 160638
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT WED MAY 16 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 15 2018...

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)
 YESTERDAY
  MAXIMUM         77    330 PM  90    1944  72      5       85
                                      1941
  MINIMUM         52   1159 PM  31    2016  48      4       50
                                      1926
  AVERAGE         65                        60      5       68

PRECIPITATION (IN)
  YESTERDAY        0.00          3.61 1977   0.12  -0.12     0.12
  MONTH TO DATE    3.11                      1.76   1.35     1.99
  SINCE MAR 1      5.49                      7.43  -1.94    11.91
  SINCE JAN 1     10.44                     10.21   0.23    15.94

SNOWFALL (IN)
  YESTERDAY        0.0           T    1944   0.0    0.0      0.0
  MONTH TO DATE    T                         0.0    0.0      0.0
  SINCE MAR 1      6.5                       5.7    0.8      5.1
  SINCE JUL 1     34.8                      36.7   -1.9     22.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         7     -7        0
  MONTH TO DATE   51                       126    -75      147
  SINCE MAR 1   1670                      1464    206     1303
  SINCE JUL 1   6611                      6466    145     5377

 COOLING
  YESTERDAY        0                         1     -1        3
  MONTH TO DATE   20                        13      7        7
  SINCE MAR 1     20                        21     -1       15
  SINCE JAN 1     20                        21     -1       15
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     51           800 PM
 AVERAGE    76

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        90      1992
 MINIMUM TEMPERATURE (F)   48        29      1997


SUNRISE AND SUNSET
MAY 16 2018...........SUNRISE   534 AM CDT   SUNSET   812 PM CDT
MAY 17 2018...........SUNRISE   533 AM CDT   SUNSET   813 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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