Climatological Report (Daily)
Issued by NWS Chicago, IL

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167
CDUS43 KLOT 190635
CLIRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT MAY 19 2018


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

...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 18 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   1239 PM  94    1934  73      4       75
  MINIMUM         53    553 AM  31    2002  49      4       51
  AVERAGE         65                        61      4       63

PRECIPITATION (IN)
  YESTERDAY        0.05          1.54 1987   0.14  -0.09     0.00
  MONTH TO DATE    3.16                      2.16   1.00     2.82
  SINCE MAR 1      5.54                      7.83  -2.29    12.74
  SINCE JAN 1     10.49                     10.61  -0.12    16.77

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   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        2
  MONTH TO DATE   52                       144    -92      149
  SINCE MAR 1   1671                      1482    189     1305
  SINCE JUL 1   6612                      6484    128     5379

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   21                        17      4       26
  SINCE MAR 1     21                        25     -4       34
  SINCE JAN 1     21                        25     -4       34
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     9.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           900 PM
 LOWEST     43           300 PM
 AVERAGE    68

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


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        96      1934
 MINIMUM TEMPERATURE (F)   49        31      1929


SUNRISE AND SUNSET
MAY 19 2018...........SUNRISE   532 AM CDT   SUNSET   815 PM CDT
MAY 20 2018...........SUNRISE   531 AM CDT   SUNSET   816 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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