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Climatological Report (Monthly)
Issued by NWS Central Illinois

000
CXUS53 KILX 012202
CLMSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
335 PM CST MON JAN 01 2024

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1879 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             74   12/03/2012
                       12/28/1984
                       12/03/1970
 LOW             -21   12/23/1989
HIGHEST           63   12/24         38      25       64
LOWEST            16   12/19         23      -7       -8
AVG. MAXIMUM    47.1               40.7     6.4     39.6
AVG. MINIMUM    33.9               25.2     8.7     23.2
MEAN            40.5               32.9     7.6     31.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                7.6    -7.6        8
DAYS MIN <= 32    13               23.7   -10.7       23
DAYS MIN <= 0      0                0.7    -0.7        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.94   1982
 MINIMUM        0.15   1955
TOTALS          2.98               2.15    0.83     2.40
DAILY AVG.      0.10               0.07    0.03     0.08
DAYS >= .01       11                9.0     2.0        4
DAYS >= .10        6                4.8     1.2        4
DAYS >= .50        3                1.2     1.8        2
DAYS >= 1.00       0                0.4    -0.4        1
GREATEST
 24 HR. TOTAL   1.03   11/30 TO 12/01               1.81

SNOWFALL (INCHES)
RECORDS
 TOTAL          22.7   1977
TOTALS           1.0                4.3    -3.3      0.5
SINCE 7/1        1.0                5.6    -4.6       MM
DAYS >= 1.0        0                1.2    -1.2        0
GREATEST
 SNOW DEPTH       MM                                  MM
 24 HR TOTAL      MM                                 0.4

DEGREE DAYS
HEATING TOTAL    751                993    -242     1030
 SINCE 7/1      1690               2016    -326       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1148               1251    -103       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    31/310    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    46/290    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               2
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                3     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

&&

RECORDS SET DURING DEC 2023:

* 6TH WARMEST DECEMBER WITH MEAN TEMPERATURE OF 40.5F

$$