Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011404
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
900 AM CDT WED NOV 1 2017

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              91   10/02/1922
 LOW                7   10/30/1925
HIGHEST            83   10/02                         84  10/17
LOWEST             29   10/29                         35  10/22
                                                          10/14
                                                          10/13
AVG. MAXIMUM     64.6              62.7     1.9     66.9
AVG. MINIMUM     46.4              40.7     5.7     46.5
MEAN             55.5              51.7     3.8     56.7
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      2               5.1    -3.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.32   1969
 MINIMUM         0.01   1952
TOTALS           5.85              2.67    3.18     1.72
DAILY AVG.       0.19              0.09    0.10     0.06
DAYS >= .01        11               9.4     1.6        9
DAYS >= .10         7               5.3     1.7        3
DAYS >= .50         5               1.6     3.4        1
DAYS >= 1.00        2               0.5     1.5        1
GREATEST
 24 HR. TOTAL    1.80   10/14 TO 10/14

SNOWFALL (INCHES)
RECORDS
 TOTAL            5.0   1929
TOTALS              T               0.1    -0.1      0.0
SINCE 7/1           T               0.1    -0.1        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        T   10/31 TO 10/31
                        10/30 TO 10/30
                        10/27 TO 10/27

DEGREE_DAYS
HEATING TOTAL     308               422    -114      273
 SINCE 7/1        390               553    -163      297
COOLING TOTAL      17                 9       8       22
 SINCE 1/1        828               820       8     1099
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    30/290    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    38/290    DATE  10/30


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

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