Climatological Report (Monthly)
Issued by NWS Central Illinois

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CXUS53 KILX 011018
CLMSPI


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
515 AM CDT SUN OCT 1 2017

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             102   09/01/2011
 LOW               31   09/30/1899
                        09/29/1899
HIGHEST            96   09/22        79      17       94
                        09/20
LOWEST             42   09/02        57     -15       51
AVG. MAXIMUM     84.3              78.9     5.4     83.9
AVG. MINIMUM     56.7              54.6     2.1     61.9
MEAN             70.5              66.8     3.7     72.9
DAYS MAX >= 90     10               2.5     7.5        9
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        15.16   1926
 MINIMUM            T   1979
TOTALS           0.01              2.90   -2.89     1.85
DAILY AVG.       0.00              0.10   -0.10     0.06
DAYS >= .01         1               7.4    -6.4        8
DAYS >= .10         0               4.7    -4.7        6
DAYS >= .50         0               1.6    -1.6        1
DAYS >= 1.00        0               0.8    -0.8        0
GREATEST
 24 HR. TOTAL    0.01   09/18 TO 09/18              0.79

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1942
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               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   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL      36                76     -40       12
 SINCE 7/1         36                81     -45       13
COOLING TOTAL     209               129      80      258
 SINCE 1/1       1321              1099     222     1534
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    22/050    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    30/340    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

$$


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