Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011135
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
628 AM CDT FRI SEP 1 2017

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   08/16/1988
                        08/05/1918
 LOW               35   08/30/1915
HIGHEST            91   08/16                         89  08/11
LOWEST             47   08/25                         52  08/22
AVG. MAXIMUM     80.1              82.4    -2.3     83.7
AVG. MINIMUM     58.5              61.3    -2.8     65.4
MEAN             69.3              71.9    -2.6     74.5
DAYS MAX >= 90      1               4.0    -3.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.98   2007
 MINIMUM         0.21   1922
TOTALS           3.02              4.59   -1.57     4.30
DAILY AVG.       0.10              0.15   -0.05     0.14
DAYS >= .01         6               9.7    -3.7       13
DAYS >= .10         3               6.5    -3.5       10
DAYS >= .50         1               3.0    -2.0        3
DAYS >= 1.00        1               1.2    -0.2        0
GREATEST
 24 HR. TOTAL    2.12   08/28 TO 08/28

DEGREE_DAYS
HEATING TOTAL       7                11      -4        0
 SINCE 7/1          7                14      -7        0
COOLING TOTAL     147               223     -76      302
 SINCE 1/1        684               727     -43      917
......................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    25/130    DATE  08/28
HIGHEST GUST SPEED/DIRECTION    33/250    DATE  08/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      4
HAZE                      5

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

&&

DAILY RECORDS ESTABLISHED DURING AUGUST 2017
*  NONE


$$





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