Climatological Report (Annual)
Issued by NWS Central Illinois

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000
CXUS53 KILX 011910
CLASPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
106 PM CST MON JAN 1 2018

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE YEAR OF 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  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/14/1954
 LOW              -24   02/13/1905
HIGHEST            96   09/22        MM      MM       95  06/25
                        09/20                             06/22
                        07/21                             06/15
LOWEST             -9   12/27        MM      MM       -3  12/19
                                                          12/18
AVG. MAXIMUM     67.2              63.1     4.1     66.5
AVG. MINIMUM     45.8              43.0     2.8     46.9
MEAN             56.5              53.0     3.5     56.7
DAYS MAX >= 90     40              22.6    17.4       43
DAYS MAX <= 32     18              30.9   -12.9       24
DAYS MIN <= 32     86             110.2   -24.2       85
DAYS MIN <= 0       5               5.8    -0.8        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        58.21   1882
 MINIMUM        22.76   1914
TOTALS          31.50             37.43   -5.93    42.77
DAILY AVG.       0.09                               0.12
DAYS >= .01       113             113.4    -0.4      109
DAYS >= .10        55              67.5   -12.5       72
DAYS >= .50        21              24.0    -3.0       24
DAYS >= 1.00        7               8.7    -1.7        7
GREATEST
 24 HR. TOTAL    2.62   04/29 TO 04/30              5.59

SNOWFALL (INCHES)
RECORDS
 TOTAL           47.7   1960
                        1914
 24 HR TOTAL     17.4   03/24/2013 TO 03/25/2013
TOTALS           11.7              20.9    -9.2     17.8
DAYS >= TRACE      24              16.9     7.1       24
DAYS >= 1.0         3               6.0    -3.0        6
GREATEST
 SNOW DEPTH         4   03/14                          4
                        03/13
 24 HR TOTAL      4.4   03/13                        3.6

DEGREE_DAYS
HEATING TOTAL    4391              5484   -1093     4554
COOLING TOTAL    1401              1123     278     1626

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

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    44/270    DATE  01/10
HIGHEST GUST SPEED/DIRECTION    55/270    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR          217
NUMBER OF DAYS PC             90
NUMBER OF DAYS CLOUDY         58

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             56     MIXED PRECIP               0
HEAVY RAIN               40     RAIN                      49
LIGHT RAIN              132     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               24     SLEET                      0
FOG                     162     FOG W/VIS <= 1/4 MILE     23
HAZE                     66

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

&&

ANNUAL RECORDS:

* 6TH WARMEST YEAR ON RECORD WITH 56.5 DEGREE MEAN TEMPERATURE

$$



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