Climatological Report (Seasonal)
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CXUS53 KGRR 022038
CLSLAN

WRKCLMLAN 000
TTAA00 KGRR 021956


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
249 PM EST SAT MAR 2 2013

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

...THE LANSING MI CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2012 TO 2/28/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1864 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/31/1875
 LOW              -37   02/02/1868
HIGHEST            63   12/04        54       9       55  12/15
                        12/03
LOWEST             -4   01/22        -8       4        1  01/21
                                                          01/20
AVG. MAXIMUM     35.4              32.5     2.9     37.3
AVG. MINIMUM     21.2              19.2     2.0     24.0
MEAN             28.3              25.9     2.4     30.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     36              43.8    -7.8       25
DAYS MIN <= 32     78              77.6     0.4       80
DAYS MIN <= 0       2               7.1    -5.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.65   1950
 MINIMUM         1.35   2003
TOTALS           7.20              4.99    2.21     5.83
DAILY AVG.       0.08              0.06    0.02     0.08
DAYS >= .01        47              37.9     9.1       38
DAYS >= .10        20              14.1     5.9       18
DAYS >= .50         5               2.1     2.9        2
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    1.11   MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           64.2   1908
TOTALS           24.0              38.4   -14.4     30.5
SINCE 7/1        24.5
SNOWDEPTH AVG.      1                 3      -2        1
DAYS >= 1.0         9              12.1    -3.1
GREATEST
 SNOW DEPTH         5   02/27                          9  12/02
                        02/08
 24 HR TOTAL      2.4   MM

DEGREE_DAYS
HEATING TOTAL    3271              3520    -249     3100
 SINCE 7/1         MM              4935      MM       MM
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    41/260    DATE  01/20
HIGHEST GUST SPEED/DIRECTION    61/220    DATE  01/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY         58

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               3
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               30     FREEZING RAIN              1
LT FREEZING RAIN         10     HAIL                       0
HEAVY SNOW                1     SNOW                      13
LIGHT SNOW               55     SLEET                      4
FOG                      63     FOG W/VIS <= 1/4 MILE      5
HAZE                     44

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

$$

JAM
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