Climatological Report (Monthly)
Issued by NWS

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CXUS53 KGRR 011120
CLMLAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
648 AM EDT MON MAY 1 2017

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

...THE LANSING MI CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              88   04/26/1915
 LOW               -6   04/04/1868
HIGHEST            83   04/15        79       4       81  04/18
LOWEST             29   04/08        19      10       19  04/05
AVG. MAXIMUM     62.8              57.8     5.0     55.0
AVG. MINIMUM     42.5              37.0     5.5     34.3
MEAN             52.6              47.4     5.2     44.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.4    -0.4        1
DAYS MIN <= 32      3               9.2    -6.2       12
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.87   2013
 MINIMUM         0.61   1875
TOTALS           4.66              3.03    1.63     2.51
DAILY AVG.       0.16              0.10    0.06     0.09
DAYS >= .01        11              12.1    -1.1       16
DAYS >= .10         9               7.4     1.6        8
DAYS >= .50         3               1.7     1.3        1
DAYS >= 1.00        1               0.4     0.6        0
GREATEST
 24 HR. TOTAL    1.30   04/05 TO 04/06

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.0   1970
 24 HR TOTAL     17.0   04/01/1970 TO 04/02/1970
 SNOW DEPTH        13   04/03/1975
TOTALS            0.4               1.9    -1.5      7.5
SINCE 7/1        30.2              51.1   -20.9     50.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       2               1.8     0.2        9
DAYS >= 1.0         0               0.6    -0.6        2
GREATEST
 SNOW DEPTH         T   04/06                          4  04/09
 24 HR TOTAL      0.4   04/06 TO 04/06

DEGREE_DAYS
HEATING TOTAL     374               534    -160      602
 SINCE 7/1       5344              6398   -1054     5525
COOLING TOTAL       8                 6       2        1
 SINCE 1/1          8                 7       1        1

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

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   2/220
HIGHEST WIND SPEED/DIRECTION    32/210    DATE  04/27
HIGHEST GUST SPEED/DIRECTION    43/210    DATE  04/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

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