National Weather Service Text Product Display

Climatological Report (Monthly)
Issued by NWS Chicago, IL
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
000
CXUS53 KLOT 012012
CLMRFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
311 PM CDT SAT JUN 1 2013

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

...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2013

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            92   05/14        82      10       99  05/27
LOWEST             33   05/13        54     -21       40  05/10
                                                          05/01
AVG. MAXIMUM     73.0              71.8     1.2     77.7
AVG. MINIMUM     51.1              48.4     2.7     52.6
MEAN             62.0              60.1     1.9     65.1
DAYS MAX >= 90      1               0.6     0.4        5
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           3.14              4.02   -0.88     1.62
DAILY AVG.       0.10              0.13   -0.03     0.05
DAYS >= .01        14              12.2     1.8       11
DAYS >= .10        11               7.2     3.8        2
DAYS >= .50         1               2.6    -1.6        1
DAYS >= 1.00        0               1.2    -1.2        0
GREATEST
 24 HR. TOTAL    1.06   05/09 TO 05/10

DEGREE_DAYS
HEATING TOTAL     168               198     -30       99
 SINCE 7/1       6544              6538       6     5339
COOLING TOTAL      83                47      36      113
 SINCE 1/1         92                55      37      151
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    36/190    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    55/220    DATE  05/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     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.

$$
National Weather Service National Headquarters
