Climatological Report (Monthly)
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357
CXUS53 KGRR 011428
CLMLAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
916 AM EST SUN JAN 1 2017

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

...THE LANSING MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/31/1875
 LOW              -25   12/18/1884
                        12/08/1864
HIGHEST            55   12/26        54       1       63  12/13
LOWEST              3   12/15        -2       5       22  12/20
                                                          12/19
                                                          12/18
AVG. MAXIMUM     32.9              34.3    -1.4     45.8
AVG. MINIMUM     22.9              22.3     0.6     32.3
MEAN             27.9              28.3    -0.4     39.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              12.8     0.2        3
DAYS MIN <= 32     25              25.4    -0.4       18
DAYS MIN <= 0       0               1.0    -1.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.91   1895
 MINIMUM         0.37   1967
TOTALS           1.76              1.87   -0.11     2.72
DAILY AVG.       0.06              0.06    0.00     0.09
DAYS >= .01        15              13.9     1.1       16
DAYS >= .10         4               5.6    -1.6        7
DAYS >= .50         1               0.7     0.3        1
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.59   12/11 TO 12/12

SNOWFALL (INCHES)
RECORDS
 TOTAL           33.5   2000
 24 HR TOTAL     15.1   12/10/1970 TO 12/11/1970
 SNOW DEPTH        20   12/25/1951
TOTALS           16.1              13.0     3.1      1.9
SINCE 7/1        16.1              16.8    -0.7     10.1
SNOWDEPTH AVG.      3                 2       1        0
DAYS >= TRACE      21              10.8    10.2        7
DAYS >= 1.0         6               4.2     1.8        1
GREATEST
 SNOW DEPTH        10   12/12                          1  12/31
                                                          12/30
                                                          12/29
 24 HR TOTAL      7.4   12/11 TO 12/11

DEGREE_DAYS
HEATING TOTAL    1142              1138       4      797
 SINCE 7/1       2117              2552    -435     1905
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        869               625     244      615

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

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION   8/240
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    48/250    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               19     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

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