Climatological Report (Monthly)
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
000
CXUS53 KLOT 011130
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
614 AM CDT THU JUN 1 2017

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF MAY 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             106   05/31/1934
 LOW               24   05/10/1966
HIGHEST            87   05/16                         88  05/25
LOWEST             33   05/03                         31  05/15
AVG. MAXIMUM     69.3              71.8    -2.5     72.6
AVG. MINIMUM     47.7              48.4    -0.7     49.1
MEAN             58.5              60.1    -1.6     60.9
DAYS MAX >= 90      0               0.6    -0.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.5    -0.5        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.75   1996
 MINIMUM         0.48   1992
TOTALS           4.90              4.02    0.88     3.12
DAILY AVG.       0.16              0.13    0.03     0.10
DAYS >= .01        14              12.2     1.8       14
DAYS >= .10        10               7.2     2.8        8
DAYS >= .50         5               2.6     2.4        2
DAYS >= 1.00        1               1.2    -0.2        0
GREATEST
 24 HR. TOTAL    1.02   05/10 TO 05/10

DEGREE_DAYS
HEATING TOTAL     222               198      24      199
 SINCE 7/1       5452              6538   -1086     5535
COOLING TOTAL      28                47     -19       78
 SINCE 1/1         36                55     -19       85
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    40/190    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    49/190    DATE  05/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

&&

DAILY RECORDS ESTABLISHED DURING MAY 2017
* RECORD DAILY SNOWFALL OF TRACE ON THE 17TH. PRECIPITATION
  WAS IN FORM OF HAIL.


$$




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