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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CXUS53 KGRR 061543 CCA
CLSGRR

CLIMATE REPORT...CORRECTED MEAN TEMPERATURE
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1043 AM EST THU DEC 6 2018

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2018 TO 11/30/2018...

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              98   09/02/1913
                        09/16/1899
 LOW              -10   11/25/1950
HIGHEST            90   09/17        87       3       96  09/23
LOWEST             20   11/22        16       4       17  11/10
AVG. MAXIMUM     57.9              60.2    -2.3     63.1
AVG. MINIMUM     42.8              42.5     0.3     43.7
MEAN             50.4              51.3    -1.1     53.4
DAYS MAX >= 90      1               0.3     0.7        6
DAYS MAX <= 32      6               1.8     4.2        1
DAYS MIN <= 32     24              18.0     6.0       21
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.11   1911
 MINIMUM         2.59   1956
TOTALS          14.35             11.05    3.30    13.15
DAILY AVG.       0.16              0.12    0.04     0.14
DAYS >= .01        39              35.7     3.3       34
DAYS >= .10        25              21.0     4.0       19
DAYS >= .50         8               7.1     0.9        8
DAYS >= 1.00        5               2.3     2.7        4
GREATEST
 24 HR. TOTAL    2.72   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.0   2014
 24 HR TOTAL     10.4   11/03/1991 TO 11/03/1991
 SNOW DEPTH        11   11/21/2000
                        11/07/1951
TOTALS           14.4               7.3     7.1      0.6
SINCE 7/1        14.4               7.3     7.1      0.6
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      21               4.7    16.3       11
DAYS >= 1.0         4               2.2     1.8        0
GREATEST
 SNOW DEPTH         4   11/27                         -1  11/10
                        11/10
 24 HR TOTAL      4.8   MM

DEGREE_DAYS
HEATING TOTAL    1470              1317     153     1175
 SINCE 7/1         MM              1338      MM       MM
COOLING TOTAL     155                74      81      147
 SINCE 1/1       1003               699     304      719

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

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   1/247
HIGHEST WIND SPEED/DIRECTION    32/240    DATE  10/04
HIGHEST GUST SPEED/DIRECTION    41/230    DATE  10/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   32
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY         49

AVERAGE RH (PERCENT)     75


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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.