Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011341
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CDT MON JUN 1 2015

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2015

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            83   05/28        82       1       91  05/31
                        05/17
                        05/07
LOWEST             34   05/01        54     -20       35  05/16
AVG. MAXIMUM     71.5              71.8    -0.3     72.5
AVG. MINIMUM     51.5              48.4     3.1     49.5
MEAN             61.5              60.1     1.4     61.0
DAYS MAX >= 90      0               0.6    -0.6        1
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           4.85              4.02    0.83     2.33
DAILY AVG.       0.16              0.13    0.03     0.08
DAYS >= .01        17              12.2     4.8       12
DAYS >= .10        11               7.2     3.8        6
DAYS >= .50         3               2.6     0.4        2
DAYS >= 1.00        0               1.2    -1.2        0
GREATEST
 24 HR. TOTAL    1.24   05/04 TO 05/05

DEGREE_DAYS
HEATING TOTAL     161               198     -37      198
 SINCE 7/1       6957              6538     419     7669
COOLING TOTAL      60                47      13       83
 SINCE 1/1         60                55       5       83
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    32/160    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    41/170    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      1
FOG                      19     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$



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