Climatological Report (Monthly)
Issued by NWS Central Illinois

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917
CXUS53 KILX 011457
CLMPIA


CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
847 AM CST MON JAN 1 2018

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

...THE PEORIA IL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1883 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              71   12/02/1982
                        12/03/1970
 LOW              -24   12/28/1924
HIGHEST            65   12/04        36      29       57
LOWEST             -9   12/31        21     -30       -6
AVG. MAXIMUM     36.7              36.1     0.6     34.8
AVG. MINIMUM     20.1              21.0    -0.9     22.0
MEAN             28.4              28.6    -0.2     28.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     11              10.3     0.7       13
DAYS MIN <= 32     25              25.7    -0.7       25
DAYS MIN <= 0       4               1.9     2.1        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.34   1949
 MINIMUM         0.29   1930
TOTALS           0.80              2.42   -1.62     1.22
DAILY AVG.       0.03              0.08   -0.05     0.04
DAYS >= .01         6              10.1    -4.1        9
DAYS >= .10         2               5.3    -3.3        3
DAYS >= .50         0               1.5    -1.5        0
DAYS >= 1.00        0               0.5    -0.5        0
GREATEST
 24 HR. TOTAL    0.39   12/24 TO 12/24              0.51

SNOWFALL (INCHES)
RECORDS
 TOTAL           21.7   1977
TOTALS            7.4               7.1     0.3      5.5
SINCE 7/1         7.4               8.2    -0.8      5.5
DAYS >= 1.0         2               2.0     0.0        1
GREATEST
 SNOW DEPTH         6   12/31                          3
                        12/30
 24 HR TOTAL      3.2   12/29 TO 12/29               4.2

DEGREE_DAYS
HEATING TOTAL    1127              1130      -3     1128
 SINCE 7/1       2114              2278    -164     1866
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1157              1039     118     1423
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    33/200    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    48/280    DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                9     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

&&

NO DECEMBER RECORDS SET THIS YEAR

$$




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