National Weather Service Text Product Display

Climatological Report (Seasonal)
Issued by NWS Central Illinois
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CXUS53 KILX 011703 RRA
CLSSPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1050 AM CST THU MAR 1 2018

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

...THE SPRINGFIELD IL CLIMATE SUMMARY FOR THE WINTER SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              78   02/24/1930
 LOW              -24   02/13/1905
HIGHEST            68   02/20        MM      MM       76
                        02/15
LOWEST            -13   01/02        MM      MM       -3
                        01/01
AVG. MAXIMUM     40.3              37.6     2.7     44.9
AVG. MINIMUM     20.3              21.2    -0.9     27.2
MEAN             30.3              29.4     0.9     36.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     28              28.1    -0.1       17
DAYS MIN <= 32     72              73.7    -1.7       57
DAYS MIN <= 0      11               5.8     5.2        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.21   1882
 MINIMUM         1.67   1920
TOTALS           5.09              6.15   -1.06     2.38
DAILY AVG.       0.06                               0.03
DAYS >= .01        25              27.1    -2.1       27
DAYS >= .10         9              13.7    -4.7        9
DAYS >= .50         3               3.5    -0.5        0
DAYS >= 1.00        1               1.1    -0.1        0
GREATEST
 24 HR. TOTAL    2.17   MM                          0.44

SNOWFALL (INCHES)
RECORDS
 TOTAL           45.0   1982
 24 HR TOTAL     15.0   02/28/1900 TO 02/28/1900
TOTALS            7.0              17.5   -10.5      5.7
SINCE 7/1         7.0              18.1   -11.1      5.7
DAYS >= TRACE      24              13.8    10.2       17
DAYS >= 1.0         2               5.1    -3.1        2
GREATEST
 SNOW DEPTH         2   01/07                          2
                        01/05
                        01/06
 24 HR TOTAL      3.4   MM                           2.3

DEGREE_DAYS
HEATING TOTAL    3113              3203     -90     2604
 SINCE 7/1         MM              4271      MM       MM
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    37/260    DATE  02/24
HIGHEST GUST SPEED/DIRECTION    46/260    DATE  02/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           30
NUMBER OF DAYS PC             37
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               19     FREEZING RAIN              3
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW               25     SLEET                      1
FOG                      41     FOG W/VIS <= 1/4 MILE      3
HAZE                     24

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

&&

RECORDS ESTABLISHED WINTER SEASON 2017-18

* 7TH DRIEST DECEMBER WITH 0.37 INCHES

$$
National Weather Service Weather Forecast Office
