Climatological Report (Monthly)
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679
CXUS53 KGRR 021534
CLMLAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1134 AM EDT MON JUN 02 2025

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

...THE LANSING CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1864 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   05/28/1874
 LOW              19   05/10/1966
HIGHEST           84   05/15         85      -1       86  05/19
LOWEST            31   05/09         30       1       40  05/10
                                                          05/12
AVG. MAXIMUM    66.3               69.4    -3.1     73.4
AVG. MINIMUM    45.8               47.5    -1.7     50.9
MEAN            56.1               58.4    -2.3     62.1
DAYS MAX >= 90     0                0.2    -0.2        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                1.8    -0.8        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.44   2004
 MINIMUM        0.62   1977
TOTALS          4.54               3.66    0.88     2.78
DAILY AVG.      0.15               0.12    0.03     0.09
DAYS >= .01       12               12.5    -0.5       14
DAYS >= .10        9                7.3     1.7        7
DAYS >= .50        5                2.3     2.7        3
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.95   05/04 TO 05/05

SNOWFALL (INCHES)
RECORDS
 TOTAL          11.5   1923
 SNOW DEPTH       MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       37.7               50.2   -12.5       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL    281                244      37      119
 SINCE 7/1      5204               6563   -1359       MM
COOLING TOTAL     15                 41     -26       38
 SINCE 1/1        16                 46     -30       MM

FREEZE DATES
RECORD
 EARLIEST     08/03/1894
 LATEST       07/15/1863
EARLIEST                        10/27
LATEST                          04/25
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
RESULTANT WIND SPEED/DIRECTION   2/360
HIGHEST WIND SPEED/DIRECTION    44/260    DATE  05/15
HIGHEST GUST SPEED/DIRECTION    61/270    DATE  05/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

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