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 21 22 23 24 25 26 27 28 29 30
000
CXUS53 KLOT 011612
CLMRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
639 AM CDT SAT JUN 1 2019

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF MAY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2019

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            82   05/31                         97  05/27
LOWEST             36   05/04                         43  05/12
AVG. MAXIMUM     68.3              71.8    -3.5     77.5
AVG. MINIMUM     48.1              48.4    -0.3     54.6
MEAN             58.2              60.1    -1.9     66.0
DAYS MAX >= 90      0               0.6    -0.6        3
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.5    -0.5        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.75   1996
 MINIMUM         0.48   1992
TOTALS           8.93              4.02    4.91     4.68
DAILY AVG.       0.29              0.13    0.16     0.15
DAYS >= .01        20              12.2     7.8       12
DAYS >= .10        13               7.2     5.8       10
DAYS >= .50         7               2.6     4.4        4
DAYS >= 1.00        3               1.2     1.8        0
GREATEST
 24 HR. TOTAL    1.45   05/30 TO 05/30

DEGREE_DAYS
HEATING TOTAL     226               198      28       73
 SINCE 7/1       6900              6538     362     6633
COOLING TOTAL      23                47     -24      115
 SINCE 1/1         25                55     -30      115
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    32/100    DATE  05/22
HIGHEST GUST SPEED/DIRECTION    48/270    DATE  05/19


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      10
LIGHT RAIN               24     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

&&

DAILY RECORDS SET FOR MAY:
NONE

MONTHLY RECORDS SET FOR MAY:
* 2ND WETTEST MAY ON RECORD SINCE 1906 WITH 8.93 INCHES.

$$



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