Climatological Report (Seasonal)
Issued by NWS

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000
CXUS53 KGRR 020222
CLSLAN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
915 PM EST TUE DEC 1 2009

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

...THE LANSING MI CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2009 TO 11/30/2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1864 TO 2009

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            83   09/14        88      -5       91  09/02
LOWEST             22   11/12        14       8       15  11/21
AVG. MAXIMUM     60.2              59.3     0.9     58.8
AVG. MINIMUM     41.9              39.2     2.7     40.8
MEAN             51.0              49.2     1.8     49.8
DAYS MAX >= 90      0               0.7    -0.7        1
DAYS MAX <= 32      0               2.8    -2.8        3
DAYS MIN <= 32     19              27.4    -8.4       24
DAYS MIN <= 0       0               2.3    -2.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.98   1990
 MINIMUM         2.05   1956
TOTALS           5.76              8.43   -2.67    12.03
DAILY AVG.       0.06              0.09   -0.03     0.13
DAYS >= .01        32              34.2    -2.2       39
DAYS >= .10        14              18.5    -4.5       20
DAYS >= .50         3              95.5   -92.5        5
DAYS >= 1.00        1               1.6    -0.6        2
GREATEST
 24 HR. TOTAL    1.11   11/30 TO 11/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.0   1869
TOTALS              T               5.5    -5.5      7.5
SINCE 7/1           T
SNOWDEPTH AVG.      0                 0       0        0
DAYS >= 1.0         0               1.8    -1.8
GREATEST
 SNOW DEPTH         0   MM                             2  11/25
 24 HR TOTAL        T   11/05 TO 11/05
                        11/26 TO 11/26
                        11/27 TO 11/27

DEGREE_DAYS
HEATING TOTAL    1280              1477    -197     1417
 SINCE 7/1       1346              1529    -183     1440
COOLING TOTAL      31                58     -27       50
 SINCE 1/1        379               558    -179      542

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

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    36/250    DATE  10/30
HIGHEST GUST SPEED/DIRECTION    49/190    DATE  10/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             30
NUMBER OF DAYS CLOUDY         44

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      13
LIGHT RAIN               44     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                      56     FOG W/VIS <= 1/4 MILE     16
HAZE                     28

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

$$

WDM
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