Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 030026
CLSLAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
826 PM EDT SAT SEP 2 2017

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

...THE LANSING MI CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2017 TO 8/31/2017...

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               26   08/29/1863
HIGHEST            95   06/12        93       2       94  08/11
                                                          07/23
LOWEST             44   08/25        39       5       44  06/09
AVG. MAXIMUM     81.9              80.3     1.6     83.3
AVG. MINIMUM     59.6              58.9     0.7     60.7
MEAN             70.8              69.6     1.2     72.0
DAYS MAX >= 90      8               6.7     1.3       17
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.78   1883
 MINIMUM         2.16   1884
TOTALS           8.24              9.52   -1.28    10.57
DAILY AVG.       0.09              0.10   -0.01     0.11
DAYS >= .01        31              29.7     1.3       27
DAYS >= .10        16              17.4    -1.4       19
DAYS >= .50         4               6.5    -2.5        7
DAYS >= 1.00        1               2.2    -1.2        3
GREATEST
 24 HR. TOTAL    2.07   06/17 TO 06/17

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      42                91     -49       37
 SINCE 7/1         29                35      -6        3
COOLING TOTAL     599               515      84      704
 SINCE 1/1        634               557      77      766

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

WIND (MPH)
AVERAGE WIND SPEED              7.3
RESULTANT WIND SPEED/DIRECTION   3/255
HIGHEST WIND SPEED/DIRECTION    33/230    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    45/220    DATE  08/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           56
NUMBER OF DAYS PC             34
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             19     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      16
LIGHT RAIN               46     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      33     FOG W/VIS <= 1/4 MILE      6
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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