Climatological Report (Daily)
Issued by NWS Chicago, IL

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CDUS43 KLOT 200634
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT MAY 20 2017


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 19 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         51   1211 AM  96    1934  73    -22       72
  MINIMUM         43    938 AM  31    1929  49     -6       42
  AVERAGE         47                        61    -14       57

PRECIPITATION (IN)
  YESTERDAY        0.22          1.30 1898   0.13   0.09     0.00
  MONTH TO DATE    3.04                      2.29   0.75     1.95
  SINCE MAR 1     12.96                      7.96   5.00     8.86
  SINCE JAN 1     16.99                     10.74   6.25    10.39

SNOWFALL (IN)
  YESTERDAY        0.0           T    1933   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       18                         6     12        8
  MONTH TO DATE  167                       150     17      193
  SINCE MAR 1   1323                      1488   -165     1343
  SINCE JUL 1   5397                      6490  -1093     5529

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   26                        19      7        0
  SINCE MAR 1     34                        27      7        7
  SINCE JAN 1     34                        27      7        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    14.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           900 AM
 LOWEST     65           800 PM
 AVERAGE    77

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


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 2017...........SUNRISE   530 AM CDT   SUNSET   816 PM CDT
MAY 21 2017...........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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