Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 200636
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SUN MAY 20 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 19 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         74    446 PM  96    1934  73      1       51
  MINIMUM         58    618 AM  31    1929  49      9       43
  AVERAGE         66                        61      5       47

PRECIPITATION (IN)
  YESTERDAY        0.01          1.30 1898   0.13  -0.12     0.22
  MONTH TO DATE    3.17                      2.29   0.88     3.04
  SINCE MAR 1      5.55                      7.96  -2.41    12.96
  SINCE JAN 1     10.50                     10.74  -0.24    16.99

SNOWFALL (IN)
  YESTERDAY        0.0           T    1933   0.0    0.0      0.0
  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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6       18
  MONTH TO DATE   52                       150    -98      167
  SINCE MAR 1   1671                      1488    183     1323
  SINCE JUL 1   6612                      6490    122     5397

 COOLING
  YESTERDAY        1                         2     -1        0
  MONTH TO DATE   22                        19      3       26
  SINCE MAR 1     22                        27     -5       34
  SINCE JAN 1     22                        27     -5       34
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     64           400 PM
 AVERAGE    82

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1934
 MINIMUM TEMPERATURE (F)   50        31      1924


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   531 AM CDT   SUNSET   816 PM CDT
MAY 21 2018...........SUNRISE   530 AM CDT   SUNSET   817 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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