Climatological Report (Seasonal)
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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
515 AM EDT SUN SEP 2 2012

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

...THE LANSING MI CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2012 TO 8/31/2012...

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             103   07/06/2012
 LOW               26   08/29/1863
HIGHEST           103R  07/06        93      10       96  07/21
LOWEST             44   06/13        39       5       47  06/02
AVG. MAXIMUM     84.6              80.3     4.3     81.9
AVG. MINIMUM     60.6              58.9     1.7     60.9
MEAN             72.6              69.6     3.0     71.4
DAYS MAX >= 90     26               6.7    19.3       14
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.78   1883
 MINIMUM         2.16   1884
TOTALS           7.49              9.52   -2.03    10.06
DAILY AVG.       0.08              0.10   -0.02     0.11
DAYS >= .01        20              29.7    -9.7       25
DAYS >= .10        11              17.4    -6.4       18
DAYS >= .50         5               6.5    -1.5        7
DAYS >= 1.00        2               2.2    -0.2        1
GREATEST
 24 HR. TOTAL    2.48   08/10 TO 08/11

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      55                91     -36       33
 SINCE 7/1         12                35     -23        3
COOLING TOTAL     774               515     259      642
 SINCE 1/1        870               557     313      695

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

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    40/350    DATE  07/05
HIGHEST GUST SPEED/DIRECTION    58/350    DATE  07/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           34
NUMBER OF DAYS PC             46
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                       9
LIGHT RAIN               31     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      0
HAZE                     15

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

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