Climatological Report (Annual)
Issued by NWS Chicago, IL

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000
CXUS53 KLOT 011730
CLARFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
936 AM CST WED JAN 1 2020

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1936
 LOW              -31   01/31/2019
HIGHEST            97   07/20        MM      MM       97  05/27
LOWEST            -31R  01/31        MM      MM      -16  01/06
AVG. MAXIMUM     57.8              59.3    -1.5     58.1
AVG. MINIMUM     39.5              39.2     0.3     39.2
MEAN             48.7              49.2    -0.5     48.6
DAYS MAX >= 90     17              14.9     2.1       15
DAYS MAX <= 32     60              46.1    13.9       43
DAYS MIN <= 32    145             133.5    11.5      161
DAYS MIN <= 0      13              11.6     1.4       14

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.48   1973
 MINIMUM        22.87   1910
TOTALS          49.42             36.24   13.18    49.61
DAILY AVG.       0.14              0.10    0.04     0.14
DAYS >= .01       149             119.2    29.8      132
DAYS >= .10        97              67.3    29.7       82
DAYS >= .50        37              23.0    14.0       30
DAYS >= 1.00       13               8.2     4.8       16
GREATEST
 24 HR. TOTAL    2.92   MM                          2.59

SNOWFALL (INCHES)
RECORDS
 TOTAL           84.3   2008
 24 HR TOTAL       MM
 SNOW DEPTH        27   01/16/1979
TOTALS           52.4              36.7    15.7     46.5
SINCE 7/1        11.2              13.1    -1.9     16.6
SNOWDEPTH AVG.      1                MM      MM        1
DAYS >= TRACE      67              28.7    38.3       64
DAYS >= 1.0        18              11.0     7.0       16
GREATEST
 SNOW DEPTH        17   02/01                         14
                        01/30
                        01/28
 24 HR TOTAL      6.3   MM                          11.7

DEGREE_DAYS
HEATING TOTAL    6752              6569     183     6776
 SINCE 7/1         MM              2561      MM       MM
COOLING TOTAL     927               820     107      967
 SINCE 1/1        927               820     107      967

FREEZE DATES
RECORD
 EARLIEST     09/13/1975
 LATEST       05/27/1992
EARLIEST                        10/07
LATEST                          05/01
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    45/010    DATE  06/30
HIGHEST GUST SPEED/DIRECTION    63/020    DATE  06/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           54
NUMBER OF DAYS PC            141
NUMBER OF DAYS CLOUDY        170

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             65     MIXED PRECIP               0
HEAVY RAIN               30     RAIN                      45
LIGHT RAIN              154     FREEZING RAIN              4
LT FREEZING RAIN         14     HAIL                       1
HEAVY SNOW                3     SNOW                      24
LIGHT SNOW               63     SLEET                      9
FOG                     201     FOG W/VIS <= 1/4 MILE     15
HAZE                     56

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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