Climatological Report (Seasonal)
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
000
CXUS53 KLOT 011241
CLSRFD


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

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2017 TO 8/31/2017...

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
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1936
 LOW               35   06/05/1945
                        06/04/1945
                        08/30/1915
HIGHEST            94   06/12                         94
                        06/11
LOWEST             46   06/01                         49
AVG. MAXIMUM     82.5              82.7    -0.2     83.8
AVG. MINIMUM     60.7              61.0    -0.3     63.6
MEAN             71.6              71.8    -0.2     73.7
DAYS MAX >= 90     10
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        25.76   1972
 MINIMUM         3.82   1927
TOTALS          17.94             13.19    4.75    14.36
DAYS >= .01        31
DAYS >= .10        20
DAYS >= .50         9
DAYS >= 1.00        4

DEGREE_DAYS
HEATING TOTAL      18                45     -27
 SINCE 7/1          7                14      -7
COOLING TOTAL     648               672     -24
 SINCE 1/1        684               727     -43
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
HIGHEST WIND SPEED/DIRECTION    41/290    DATE  07/19
HIGHEST GUST SPEED/DIRECTION    58/290    DATE  07/19


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             30     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      13
LIGHT RAIN               35     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      4
HAZE                     10

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

&&

SEASONAL RECORDS FOR SUMMER 2017
* 10TH WETTEST SUMMER ON RECORD SINCE 1906 WITH 17.94 INCHES.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.