Climatological Report (Monthly)
Issued by NWS Indianapolis, IN

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CXUS53 KIND 012118
CLMIND


CLIMATE REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
418 PM EST MON JAN 1 2018

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

...THE INDIANAPOLIS IN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   12/02/1982
 LOW              -23   12/22/1989
HIGHEST            65   12/04                         66  12/26
LOWEST             -3   12/27                         -1  12/19
AVG. MAXIMUM     38.5              38.9    -0.4     37.0
AVG. MINIMUM     22.0              24.4    -2.4     23.7
MEAN             30.2              31.6    -1.4     30.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10               8.1     1.9        9
DAYS MIN <= 32     25              23.0     2.0       24
DAYS MIN <= 0       3               1.0     2.0        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.72   1990
 MINIMUM         0.45   1976
TOTALS           1.12              3.17   -2.05     1.52
DAILY AVG.       0.04              0.10   -0.06     0.05
DAYS >= .01         9              12.5    -3.5       12
DAYS >= .10         3               6.8    -3.8        6
DAYS >= .50         1               2.1    -1.1        0
DAYS >= 1.00        0               0.6    -0.6        0
GREATEST
 24 HR. TOTAL    0.54   12/23 TO 12/23

SNOWFALL (INCHES)
RECORDS
 TOTAL           27.5   1973
 SNOW DEPTH        13   12/20/1973
TOTALS            3.9               6.9    -3.0      4.9
SINCE 7/1         3.9               8.0    -4.1      4.9
SNOWDEPTH AVG.      0
DAYS >= 1.0         1               2.2    -1.2        1
DAYS >= 0.1         7                                  3
GREATEST
 SNOW DEPTH         3   12/31                          3  12/14
                        12/30
 24 HR TOTAL      2.0   12/29 TO 12/29           12/17 TO 12/17
                                                          12/17 TO 12/17
                                                          12/17 TO 12/17

DEGREE_DAYS
HEATING TOTAL    1069              1034      35     1067
 SINCE 7/1       1973              2076    -103     1760
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1164              1066      98     1443
........................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    39/270    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    49/290    DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               11     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

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

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