National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS53 KLOT 012219 CCA
CLSRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
205 PM CDT SAT JUN 1 2013...CORRECTION TO HEATING DEGREES DAYS SINCE
7/1

...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2013 TO 5/31/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            92   05/14
LOWEST              2   03/03

AVG. MAXIMUM     55.6              59.8    -4.2
AVG. MINIMUM     36.6              38.0    -1.4
MEAN             46.1              48.9    -2.8

DAYS MAX >= 90      1
DAYS MAX <= 32      9
DAYS MIN <= 32     37
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.43   1973
 MINIMUM         3.13   1934

TOTALS          13.37              9.69    3.68

DAYS >= .01        34
DAYS >= .10        25
DAYS >= .50         7
DAYS >= 1.00        3

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.5   1923

TOTALS           13.9               5.7     8.2
SINCE 7/1        40.5              36.7     3.8

DEGREE_DAYS
HEATING TOTAL    1807              1537     270
 SINCE 7/1       6544              6538       6

COOLING TOTAL      92                55      37
 SINCE 1/1         92                55      37
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    36/190    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    55/220    DATE  05/30

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             13     MIXED PRECIP               1
HEAVY RAIN                9     RAIN                      14
LIGHT RAIN               41     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               19     SLEET                      4
FOG                      43     FOG W/VIS <= 1/4 MILE      4
HAZE                      8

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

$$