Climatological Report (Seasonal)
Issued by NWS Central Illinois

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CXUS53 KILX 011743
CLSSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1143 AM CST TUE DEC 01 2020

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            102   09/01/2011
 LOW              -3   11/30/1964
HIGHEST           88   09/03         MM      MM       91
LOWEST            20   11/02         MM      MM        5
AVG. MAXIMUM    67.0               65.9     1.1     65.0
AVG. MINIMUM    43.8               44.1    -0.3     44.1
MEAN            55.4               55.0     0.4     54.6
DAYS MAX >= 90     0                2.5    -2.5       MM
DAYS MAX <= 32     0                1.2    -1.2       MM
DAYS MIN <= 32    18               17.2     0.8       MM
DAYS MIN <= 0      0                0.0     0.0       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       24.55   1926
 MINIMUM        2.67   1910
TOTALS          5.98               9.26   -3.28    13.94
DAILY AVG.      0.07                                0.15
DAYS >= .01       24               25.5    -1.5       MM
DAYS >= .10       16               16.2    -0.2       MM
DAYS >= .50        4                6.2    -2.2       MM
DAYS >= 1.00       1                2.3    -1.3       MM
GREATEST
 24 HR. TOTAL   1.24                                3.30

SNOWFALL (INCHES)
RECORDS
 TOTAL          12.1   1951
 24 HR TOTAL     7.8   11/06/1951 TO 11/06/1951
TOTALS             T                0.6    -0.6      7.0
SINCE 7/1          T                0.6    -0.6       MM
DAYS >= TRACE      2                0.9     1.1       MM
DAYS >= 1.0        0                0.2    -0.2       MM
GREATEST
 SNOW DEPTH        0                                   3
 24 HR TOTAL     0.0                                 4.7

DEGREE DAYS
HEATING TOTAL    979               1063     -84     1211
 SINCE 7/1       979               1070     -91       MM
COOLING TOTAL    131                152     -21      273
 SINCE 1/1      1203               1122      81     1309

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

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    36/260    DATE  11/10
HIGHEST GUST SPEED/DIRECTION    50/280    DATE  11/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.36
NUMBER OF DAYS FAIR           53
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      12
LIGHT RAIN               31     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      40     FOG W/VIS <= 1/4 MILE      5
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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