Climatological Report (Seasonal)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
938 PM EST TUE DEC 4 2012

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

...THE LANSING MI CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2012 TO 11/30/2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2012

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            89   09/03        88       1       91  09/02
LOWEST             19   11/27        14       5       23  11/18
AVG. MAXIMUM     59.8              59.8     0.0     61.2
AVG. MINIMUM     40.6              41.4    -0.8     42.4
MEAN             50.2              50.6    -0.4     51.8
DAYS MAX >= 90      0               0.3    -0.3        2
DAYS MAX <= 32      1               2.3    -1.3        0
DAYS MIN <= 32     25              20.8     4.2       18
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.98   1990
 MINIMUM         2.05   1956
TOTALS           7.72              8.81   -1.09     8.41
DAILY AVG.       0.08              0.10   -0.02     0.09
DAYS >= .01        32              34.3    -2.3       33
DAYS >= .10        19              18.0     1.0       18
DAYS >= .50         4               5.7    -1.7        4
DAYS >= 1.00        1               1.6    -0.6        2
GREATEST
 24 HR. TOTAL    1.31   09/04 TO 09/04

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.0   1869
TOTALS            0.5               3.8    -3.3      8.2
SINCE 7/1         0.5
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               1.3    -1.3
GREATEST
 SNOW DEPTH         0   MM                             8  11/30
 24 HR TOTAL      0.2   11/25 TO 11/25

DEGREE_DAYS
HEATING TOTAL    1395              1379      16     1253
 SINCE 7/1       1407              1414      -7       MM
COOLING TOTAL      70                68       2       72
 SINCE 1/1        940               625     315      767

FREEZE DATES
EARLIEST                        10/01
LATEST                          05/10
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    30/270    DATE  11/23
HIGHEST GUST SPEED/DIRECTION    40/260    DATE  11/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             47
NUMBER OF DAYS CLOUDY         32

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                8     RAIN                      16
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      1
FOG                      47     FOG W/VIS <= 1/4 MILE      2
HAZE                     21

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

$$






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