Climatological Report (Annual)
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978
CXUS53 KGRR 060539 CCA
CLALAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
125 PM EST MON JAN 04 2021

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

...THE LANSING CLIMATE SUMMARY FOR THE YEAR OF 2020...

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            103   07/06/2012
 LOW             -37   02/02/1868
HIGHEST           95   07/03         MM      MM       93  07/20
                       07/07
                       07/09
                                                          07/19
LOWEST                 02/14         MM      MM      -14  01/31
                                                          01/21
                                                          01/30
AVG. MAXIMUM    59.0               57.5     1.5      0.0
AVG. MINIMUM    40.6               39.1     1.5      0.0
MEAN            49.8               48.3     1.5      0.0
DAYS MAX >= 90    15                7.0     8.0        8
DAYS MAX <= 32    30               51.0   -21.0       53
DAYS MIN <= 32    98              131.0   -33.0      143
DAYS MIN <= 0      1                7.6    -6.6        9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       41.45   2013
 MINIMUM       27.75   2010
TOTALS         36.21              31.77    4.44    40.68
DAILY AVG.      0.10               0.09    0.01     0.11
DAYS >= .01       23              136.8  -113.8      159
DAYS >= .10       12               69.0   -57.0       82
DAYS >= .50        1               19.3   -18.3       27
DAYS >= 1.00       1                5.2    -4.2       10
GREATEST
 24 HR. TOTAL   2.48

SNOWFALL (INCHES)
RECORDS
 TOTAL          86.3   2008
 24 HR TOTAL     9.5   01/05/2014 TO 01/05/2014
 SNOW DEPTH       19   02/19/2014
                       02/18/2014
TOTALS          37.9               51.1   -13.2     33.5
SINCE 7/1        4.2               16.8   -12.6       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     16               44.7   -28.7       49
DAYS >= 1.0        1               16.3   -15.3       10
GREATEST
 SNOW DEPTH        6   02/14                           8  02/13
                       02/15
                       02/13
 24 HR TOTAL     0.5   11/30 TO 11/30

DEGREE DAYS
HEATING TOTAL   6257               6711    -454        0
 SINCE 7/1      2325               2551    -226       MM
COOLING TOTAL    827                623     204        0
 SINCE 1/1       827                625     202        0

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   3/240
HIGHEST WIND SPEED/DIRECTION    40/240    DATE  11/15
HIGHEST GUST SPEED/DIRECTION    58/320    DATE  06/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.47
NUMBER OF DAYS FAIR           MM
NUMBER OF DAYS PC             MM
NUMBER OF DAYS CLOUDY         MM

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             26     MIXED PRECIP               0
HEAVY RAIN               32     RAIN                      47
LIGHT RAIN              120     FREEZING RAIN              3
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                3     SNOW                      13
LIGHT SNOW               55     SLEET                      0
FOG                     165     FOG W/VIS <= 1/4 MILE     17
HAZE                     51

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

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