106
CXUS53 KGRR 010921
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
421 AM EST MON JAN 01 2024

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

...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             69   12/05/2001
 LOW             -18   12/19/1983
HIGHEST           58   12/09         53       5       54  12/29
                                                          12/30
LOWEST            22   12/13          1      21        5  12/23
AVG. MAXIMUM    43.5               36.1     7.4     35.2
AVG. MINIMUM    33.2               24.7     8.5     25.1
MEAN            38.3               30.4     7.9     30.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     1               11.5   -10.5       10
DAYS MIN <= 32    14               26.2   -12.2       27
DAYS MIN <= 0      0                0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.95   1893
 MINIMUM        0.31   1913
TOTALS          1.89               2.48   -0.59     2.75
DAILY AVG.      0.06               0.08   -0.02     0.09
DAYS >= .01       17               15.5     1.5       15
DAYS >= .10        6                7.0    -1.0        7
DAYS >= .50        0                1.0    -1.0        0
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.51   12/01 TO 12/02

SNOWFALL (INCHES)
RECORDS
 TOTAL          59.2   2000
 SNOW DEPTH       22   12/27/1951
                       12/26/1951
                       12/25/1951
TOTALS           1.3               20.8   -19.5     39.6
SINCE 7/1        3.2               28.2   -25.0     67.6
SNOWDEPTH AVG.     0                                   4
DAYS >= TRACE     10               11.9    -1.9       16
DAYS >= 1.0        1                6.1    -5.1        6
GREATEST
 SNOW DEPTH        T                                  17  12/25

DEGREE DAYS
HEATING TOTAL    819               1072    -253     1075
 SINCE 7/1      2064               2387    -323     2349
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       668                733     -65      800

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/23
LATEST                          04/27
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
RESULTANT WIND SPEED/DIRECTION   2/240
HIGHEST WIND SPEED/DIRECTION    43/230    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    59/230    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   14
AVERAGE SKY COVER           0.81
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                8     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$