Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 011652 RRA
CLSLAN

WRKCLSLAN 000
TTAA00 GRR 011636

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1124 AM EST MON MAR 01 2021

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

...THE LANSING CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1864 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             70   12/31/1875
 LOW             -37   02/02/1868
HIGHEST           58   02/28         54       4       MM
LOWEST            -9   02/17         -8      -1       MM
AVG. MAXIMUM    32.9               32.5     0.4       MM
AVG. MINIMUM    19.6               19.2     0.4       MM
MEAN            26.2               25.9     0.3       MM
DAYS MAX >= 90     0                0.0     0.0       MM
DAYS MAX <= 32    42               43.8    -1.8       MM
DAYS MIN <= 32    86               77.6     8.4       MM
DAYS MIN <= 0      5                7.1    -2.1       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.65   1950
 MINIMUM        1.35   2003
TOTALS          4.94               4.99   -0.05       MM
DAILY AVG.      0.06               0.06    0.00       MM
DAYS >= .01       44               37.9     6.1       MM
DAYS >= .10       14               14.1    -0.1       MM
DAYS >= .50        1                2.1    -1.1       MM
DAYS >= 1.00       1                0.2     0.8       MM
GREATEST
 24 HR. TOTAL   1.39   12/11 TO 12/12

SNOWFALL (INCHES)
RECORDS
 TOTAL          64.2   1908
 24 HR TOTAL    15.4   01/26/1967 TO 01/26/1967
 SNOW DEPTH       24   01/28/1978
                       01/27/1978
TOTALS          44.9               38.4     6.5       MM
SINCE 7/1       45.4               42.2     3.2       MM
SNOWDEPTH AVG.     4                                  MM
DAYS >= TRACE     46               33.1    12.9       MM
DAYS >= 1.0       14               12.1     1.9       MM
GREATEST
 SNOW DEPTH       16   02/16                          MM
                       02/17
                       02/19
 24 HR TOTAL     8.3   02/15 TO 02/16

DEGREE DAYS
HEATING TOTAL   3448               3520     -72       MM
 SINCE 7/1      4749               4934    -185       MM
COOLING TOTAL      0                  0       0       MM
 SINCE 1/1         0                  0       0       MM

FREEZE DATES
RECORD
 EARLIEST     08/03/1894
 LATEST       07/15/1863
EARLIEST                        10/15
LATEST                          05/13
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   3/250
HIGHEST WIND SPEED/DIRECTION    33/240    DATE  02/05
HIGHEST GUST SPEED/DIRECTION    50/240    DATE  02/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.68
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             28
NUMBER OF DAYS CLOUDY         47

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               12     FREEZING RAIN              2
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                      10
LIGHT SNOW               46     SLEET                      0
FOG                      62     FOG W/VIS <= 1/4 MILE      8
HAZE                     39

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

&&

"SNOWFALL DATA IS MISSING FOR FEBRUARY 6, 2021."

$$



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