Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 011934 CCA
CLSSPI

CHICLMSPI 000
TTAA00 KILX 011538


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
234 PM CDT FRI SEP 1 2017

...CORRECTED THUNDERSTORM DAYS...

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1954
 LOW               39   06/01/2003
HIGHEST            96   07/21        MM      MM       95
                        07/19
                        07/20
LOWEST             50   06/27        MM      MM       50
AVG. MAXIMUM     86.6              84.8     1.8     87.1
AVG. MINIMUM     63.8              63.6     0.2     67.4
MEAN             75.2              74.2     1.0     77.3
DAYS MAX >= 90     29              19.1     9.9       34
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.93   1981
 MINIMUM         3.87   1893
TOTALS           8.32             11.64   -3.32    22.26
DAILY AVG.       0.09                               0.24
DAYS >= .01        27              27.1    -0.1       32
DAYS >= .10        14              17.4    -3.4       24
DAYS >= .50         5               7.6    -2.6       12
DAYS >= 1.00        2               3.0    -1.0        5
GREATEST
 24 HR. TOTAL    1.90   MM                          5.59

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
 24 HR TOTAL      0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0
 24 HR TOTAL      0.0   MM                           0.0

DEGREE_DAYS
HEATING TOTAL       2                20     -18        1
 SINCE 7/1          0                 5      -5        1
COOLING TOTAL     968               866     102     1151
 SINCE 1/1       1112               970     142     1276

FREEZE DATES
RECORD
 EARLIEST     09/20/1991
 LATEST       05/10/1966
EARLIEST                        10/13
LATEST                          04/13
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    35/100    DATE  07/05
HIGHEST GUST SPEED/DIRECTION    47/300    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           79
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             23     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      15
LIGHT RAIN               36     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      41     FOG W/VIS <= 1/4 MILE      7
HAZE                      4

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

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