Climatological Report (Seasonal)
Issued by NWS Grand Rapids, MI

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CXUS53 KGRR 031723
CLSGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1223 PM EST SAT MAR 3 2018

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/05/2001
                        02/11/1999
 LOW              -24   02/14/1899
                        02/13/1899
HIGHEST            63   02/20        53      10       66  02/22
LOWEST            -12   12/27        -6      -6        2  01/06
AVG. MAXIMUM     33.4              33.1     0.3     36.4
AVG. MINIMUM     19.3              20.5    -1.2     24.4
MEAN             26.4              26.8    -0.4     30.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     46              41.2     4.8       29
DAYS MIN <= 32     78              77.4     0.6       64
DAYS MIN <= 0       9               3.8     5.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.78   1898
 MINIMUM         2.08   1987
TOTALS           9.01              6.38    2.63     8.52
DAILY AVG.       0.10              0.07    0.03     0.09
DAYS >= .01        52              44.2     7.8       52
DAYS >= .10        20              17.8     2.2       27
DAYS >= .50         2               2.7    -0.7        5
DAYS >= 1.00        1               0.6     0.4        0
GREATEST
 24 HR. TOTAL    2.53   02/20 TO 02/20

SNOWFALL (INCHES)
RECORDS
 TOTAL          105.6   2014
 24 HR TOTAL     16.1   01/26/1978 TO 01/26/1978
 SNOW DEPTH        27   01/27/1978
TOTALS           66.2              57.5     8.7     54.2
SINCE 7/1        66.8              64.8     2.0     55.0
SNOWDEPTH AVG.      3                 4      -1        2
DAYS >= TRACE      57              38.9    18.1       53
DAYS >= 1.0        23              18.1     4.9       18
GREATEST
 SNOW DEPTH        10   02/12                          9  12/19
                        02/11                             12/12
                        12/16                             12/17
 24 HR TOTAL      7.0   12/25 TO 12/25

DEGREE_DAYS
HEATING TOTAL    3465              3439      26     3106
 SINCE 7/1       4656              4777    -121     4054
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/13
LATEST                          05/02
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
RESULTANT WIND SPEED/DIRECTION   4/237
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  02/25
HIGHEST GUST SPEED/DIRECTION    56/240    DATE  02/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   29
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY         55

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          5     HAIL                       0
HEAVY SNOW                3     SNOW                      12
LIGHT SNOW               54     SLEET                      2
FOG                      62     FOG W/VIS <= 1/4 MILE      9
HAZE                     38

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

$$

CAS


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