Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 031329
CLSLAN

WRKCLSLAN 000
TTAA00 GRR 021842

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
121 PM EST WED DEC 02 2020

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

...THE LANSING CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1864 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/02/1894
 LOW              -5   11/26/1949
HIGHEST           84   09/03         88      -4       79  10/01
LOWEST            21   11/14         14       7        8  11/13
                       11/24
                                                          11/12
AVG. MAXIMUM    60.6               59.8     0.8     49.7
AVG. MINIMUM    41.3               41.4    -0.1     34.2
MEAN            50.9               50.6     0.3     41.9
DAYS MAX >= 90     0                0.3    -0.3        0
DAYS MAX <= 32     0                2.3    -2.3        4
DAYS MIN <= 32    19               20.8    -1.8       28
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.98   1990
 MINIMUM        2.05   1956
TOTALS          8.98               8.81    0.17    12.51
DAILY AVG.      0.10               0.10    0.00     0.13
DAYS >= .01       22               34.3   -12.3       41
DAYS >= .10       15               18.0    -3.0       22
DAYS >= .50        1                5.7    -4.7       10
DAYS >= 1.00       1                1.6    -0.6        4
GREATEST
 24 HR. TOTAL   1.67   09/08 TO 09/08

SNOWFALL (INCHES)
RECORDS
 TOTAL          24.0   1869
 24 HR TOTAL    12.5   11/20/1869 TO 11/20/1869
 SNOW DEPTH       14   11/23/1869
                       11/22/1869
TOTALS           0.5                3.8    -3.3      6.8
SINCE 7/1        0.5                3.8    -3.3       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      6                4.0     2.0        9
DAYS >= 1.0        0                1.3    -1.3        1
GREATEST
 SNOW DEPTH        0                                   4  11/13
                                                          11/12
 24 HR TOTAL     0.5   11/30 TO 11/30

DEGREE DAYS
HEATING TOTAL   1294               1379     -85    11391
 SINCE 7/1      1301               1414    -113       MM
COOLING TOTAL     36                 68     -32    10008
 SINCE 1/1       827                625     202    10583

FREEZE DATES
RECORD
 EARLIEST     08/03/1894
 LATEST       07/15/1863
EARLIEST                        10/16
LATEST                          05/13
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   4/230
HIGHEST WIND SPEED/DIRECTION    40/240    DATE  11/15
HIGHEST GUST SPEED/DIRECTION    56/230    DATE  11/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.43
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      16
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                      39     FOG W/VIS <= 1/4 MILE      5
HAZE                      3

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

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