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000
CXUS53 KGRR 030230
CLALAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
930 PM EST TUE JAN 2 2018

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

...THE LANSING MI CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   07/06/2012
 LOW              -37   02/02/1868
HIGHEST            95   09/21        MM      MM       94  08/11
                        06/12                             07/23
LOWEST             -9   12/28        MM      MM        0  02/14
AVG. MAXIMUM     59.9              57.5     2.4     60.0
AVG. MINIMUM     40.9              39.1     1.8     41.3
MEAN             50.4              48.3     2.1     50.6
DAYS MAX >= 90     14               7.0     7.0       18
DAYS MAX <= 32     44              51.0    -7.0       45
DAYS MIN <= 32    114             131.0   -17.0      120
DAYS MIN <= 0       6               7.6    -1.6        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        41.45   2013
 MINIMUM        27.75   2010
TOTALS          39.62             31.77    7.85    34.95
DAILY AVG.       0.11              0.09    0.02     0.10
DAYS >= .01       142             136.8     5.2      138
DAYS >= .10        78              69.0     9.0       74
DAYS >= .50        23              19.3     3.7       25
DAYS >= 1.00        7               5.2     1.8        8
GREATEST
 24 HR. TOTAL    2.89   10/14 TO 10/14

SNOWFALL (INCHES)
RECORDS
 TOTAL           86.3   2008
 24 HR TOTAL     15.4   01/26/1967 TO 01/26/1967
 SNOW DEPTH        24   01/28/1978
                        02/27/1978
TOTALS           31.9              51.1   -19.2     56.0
SINCE 7/1        17.8              16.8     1.0     16.1
SNOWDEPTH AVG.      0                MM      MM        1
DAYS >= TRACE      57              44.7    12.3       82
DAYS >= 1.0        11              16.3    -5.3       18
GREATEST
 SNOW DEPTH         8   12/16                         10  12/12
                                                          02/25
 24 HR TOTAL      5.7   12/13 TO 12/13

DEGREE_DAYS
HEATING TOTAL    6004              6711    -707     6018
 SINCE 7/1         MM              2552      MM       MM
COOLING TOTAL     782               623     159      869
 SINCE 1/1        782               625     157      869

FREEZE DATES
RECORD
 EARLIEST     08/03/1894
 LATEST       07/15/1863
EARLIEST                        10/01
LATEST                          05/10
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   3/243
HIGHEST WIND SPEED/DIRECTION    51/260    DATE  03/08
HIGHEST GUST SPEED/DIRECTION    65/250    DATE  03/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR          152
NUMBER OF DAYS PC            114
NUMBER OF DAYS CLOUDY         99

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             43     MIXED PRECIP               2
HEAVY RAIN               41     RAIN                      60
LIGHT RAIN              161     FREEZING RAIN              1
LT FREEZING RAIN          6     HAIL                       1
HEAVY SNOW                2     SNOW                      13
LIGHT SNOW               56     SLEET                      6
FOG                     177     FOG W/VIS <= 1/4 MILE     26
HAZE                     74

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

$$