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000
CXUS53 KGRR 011640 CCB
CLMLAN

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1209 PM EDT MON OCT 1 2012

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

...THE LANSING MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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               19   09/21/1863
HIGHEST            89   09/03        88       1       91  09/02
LOWEST             40   09/24        33       7       36  09/15
AVG. MAXIMUM     73.1              72.7     0.4     70.3
AVG. MINIMUM     50.5              51.2    -0.7     51.2
MEAN             61.8              61.9    -0.1     60.8
DAYS MAX >= 90      0               0.3    -0.3        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.3    -0.3        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.34   1986
 MINIMUM         0.00   1979
TOTALS           2.88              3.50   -0.62     2.09
DAILY AVG.       0.10              0.12   -0.02     0.07
DAYS >= .01        10              10.7    -0.7       10
DAYS >= .10         8               5.9     2.1        7
DAYS >= .50         1               2.3    -1.3        0
DAYS >= 1.00        1               0.9     0.1        0
GREATEST
 24 HR. TOTAL    1.31   09/04 TO 09/04

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1994
                        1989
                        1967
 24 HR TOTAL        T   MM
 SNOW DEPTH         T   MM
TOTALS            0.0               0.0     0.0      0.0
 LIQUID EQUIV    0.00              0.00    0.00     0.00
SINCE 7/1         0.0               0.0     0.0      0.0
 LIQUID 7/1      0.00              0.00    0.00     0.00
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL     153               153       0      191
 SINCE 7/1        165               188     -23      194
COOLING TOTAL      65                61       4       69
 SINCE 1/1        935               618     317      764

FREEZE DATES
RECORD
 EARLIEST     08/03/1894
 LATEST       07/15/1863
EARLIEST                        10/01
LATEST                          05/10
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   2/235
HIGHEST WIND SPEED/DIRECTION    26/240    DATE  09/24
HIGHEST GUST SPEED/DIRECTION    33/230    DATE  09/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       7
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

&&

THE AVERAGE TEMPERATURES IN SEPTEMBER 2012 WERE CLOSE TO NORMAL. IT
WAS THE SECOND MONTH IN A ROW WITH NEAR NORMAL TEMPERATURES. HIGHS
WERE MOSTLY IN THE 80S DURING THE FIRST WEEK OF THE MONTH. NEAR TO
BELOW NORMAL TEMPERATURES PREVAILED DURING THE REST OF THE MONTH.
THE COLDEST PERIOD WAS FROM THE 18TH THROUGH THE 24TH... WHEN
TEMPERATURES WERE AS MUCH AS TEN DEGREES BELOW NORMAL. THE COLDEST
TEMPERATURE IN SOUTHWEST LOWER MICHIGAN WAS 24 DEGREES RECORDED ON
THE 24TH AT LEOTA. THE HIGHEST TEMPERATURE DURING SEPTEMBER WAS 95
DEGREES AT HOLLAND ON THE 3RD.

RAINFALL WAS BELOW NORMAL ACROSS ALL OF SOUTHWEST LOWER MICHIGAN.
LANSING REPORTED THE HIGHEST RAINFALL WITH 2.88 INCHES OF
PRECIPITATION. THIS WAS A HALF INCH BELOW NORMAL. MUSKEGON...
WITH ONLY AN INCH OF PRECIPITATON... WAS THE DRIEST STATION. THIS
WAS NEARLY THREE INCHES BELOW NORMAL.

AS IN AUGUST... THERE WAS A NOTEABLE LACK OF SEVERE WEATHER. THERE
WAS ONE SIGNIFICANT SEVERE STORM ESPISODE ON THE 22ND. THIS FEATURED
NUMEROUS WATER SPOUTS AND HAIL FROM A QUARTER OF AN INCH IN DIAMETER
UP TO 7/8 INCH. DAMAGING WINDS WERE ALSO REPORTED ALONG THE LAKE
SHORE BETWEEN LITTLE SABLE POINT AND GRAND HAVEN.

$$

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