Climatological Report (Monthly)
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000
CXUS53 KGRR 011356
CLMLAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
849 AM EST THU FEB 1 2018

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

...THE LANSING MI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              66   01/24/1967
 LOW              -29   01/04/1981
HIGHEST            59   01/11        49      10       56  01/21
LOWEST             -8   01/05        -8       0        4  01/07
                                                          01/06
AVG. MAXIMUM     31.9              30.1     1.8     34.4
AVG. MINIMUM     16.5              16.8    -0.3     23.6
MEAN             24.2              23.4     0.8     29.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     16              18.1    -2.1       12
DAYS MIN <= 32     29              27.6     1.4       21
DAYS MIN <= 0       5               4.0     1.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.39   2005
 MINIMUM         0.24   2003
TOTALS           1.98              1.65    0.33     3.65
DAILY AVG.       0.06              0.05    0.01     0.12
DAYS >= .01        13              13.4    -0.4       19
DAYS >= .10         6               4.5     1.5       10
DAYS >= .50         1               0.8     0.2        2
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.77   01/22 TO 01/22

SNOWFALL (INCHES)
RECORDS
 TOTAL           34.6   1999
 24 HR TOTAL     20.4   01/26/1967 TO 01/27/1967
 SNOW DEPTH        24   01/28/1978
                        01/27/1978
TOTALS           12.2              13.8    -1.6      9.1
SINCE 7/1        30.0              30.6    -0.6     25.2
SNOWDEPTH AVG.      2                 4      -2        0
DAYS >= TRACE      18              12.5     5.5       15
DAYS >= 1.0         4               4.5    -0.5        3
GREATEST
 SNOW DEPTH         5   01/16                          3  01/31
                        01/10                             01/10
                        01/09
 24 HR TOTAL      4.2   01/29 TO 01/29

DEGREE_DAYS
HEATING TOTAL    1256              1288     -32     1108
 SINCE 7/1       3775              3840     -65     3225
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   6/226
HIGHEST WIND SPEED/DIRECTION    30/240    DATE  01/31
HIGHEST GUST SPEED/DIRECTION    36/240    DATE  01/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               16     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      3
HAZE                      6

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

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