Climatological Report (Monthly)
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CXUS53 KGRR 011842
CLMLAN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
212 PM EDT FRI MAY 1 2015

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

...THE LANSING MI CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2015

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            76   04/17        79      -3       78  04/21
LOWEST             21   04/04        19       2       21  04/16
AVG. MAXIMUM     59.7              57.8     1.9     58.9
AVG. MINIMUM     35.2              37.0    -1.8     35.2
MEAN             47.4              47.4     0.0     47.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.4    -0.4        0
DAYS MIN <= 32      7               9.2    -2.2       11
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.87   2013
 MINIMUM         0.61   1875
TOTALS           1.29              3.03   -1.74     1.36
DAILY AVG.       0.04              0.10   -0.06     0.05
DAYS >= .01         9              12.1    -3.1       10
DAYS >= .10         5               7.4    -2.4        6
DAYS >= .50         0               1.7    -1.7        0
DAYS >= 1.00        0               0.4    -0.4        0
GREATEST
 24 HR. TOTAL    0.46   04/09 TO 04/09

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              T               1.9    -1.9      0.7
SINCE 7/1        35.6              51.1   -15.5     69.1
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       3               1.8     1.2        4
DAYS >= 1.0         0               0.6    -0.6        0
GREATEST
 SNOW DEPTH         0   MM                             1  04/15
 24 HR TOTAL        T   04/23 TO 04/23                MM

DEGREE_DAYS
HEATING TOTAL     521               534     -13      534
 SINCE 7/1       7006              6398     608     7285
COOLING TOTAL       0                 6      -6        2
 SINCE 1/1          0                 7      -7        2

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

WIND (MPH)
AVERAGE WIND SPEED              9.6
RESULTANT WIND SPEED/DIRECTION   1/293
HIGHEST WIND SPEED/DIRECTION    38/250    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    46/250    DATE  04/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      1
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

$$

CAS




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