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000
CXUS53 KGRR 011423
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
909 AM EST FRI FEB 1 2013

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              68   01/22/1894
 LOW              -22   01/19/1994
                        01/30/1951
HIGHEST            58   01/29        48      10       54  01/06
LOWEST             -2   01/22        -6       4        3  01/19
AVG. MAXIMUM     35.2              30.7     4.5     37.1
AVG. MINIMUM     20.9              18.1     2.8     22.3
MEAN             28.0              24.4     3.6     29.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              17.0    -4.0       11
DAYS MIN <= 32     26              27.7    -1.7       28
DAYS MIN <= 0       1               2.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.88   1897
 MINIMUM         0.29   1956
TOTALS           4.01              2.09    1.92     3.20
DAILY AVG.       0.13              0.07    0.06     0.10
DAYS >= .01        16              16.0     0.0       13
DAYS >= .10        11               6.1     4.9       12
DAYS >= .50         3               0.8     2.2        1
DAYS >= 1.00        1               0.1     0.9        0
GREATEST
 24 HR. TOTAL    1.48   01/29 TO 01/30           01/23 TO 01/23
                                                          01/14 TO 01/14


SNOWFALL (INCHES)
RECORDS
 TOTAL           46.8   1999
 24 HR TOTAL     16.1   01/26/1978 TO 01/26/1978
 SNOW DEPTH        27   01/27/1978
TOTALS           17.0              20.8    -3.8     27.0
 LIQUID EQUIV      MM              2.10      MM       MM
SINCE 7/1        24.5              50.0   -25.5     32.2
 LIQUID 7/1      0.75              5.00   -4.25     0.52
SNOWDEPTH AVG.      1                 5      -4        2
DAYS >= TRACE      23              14.9     8.1       17
DAYS >= 1.0         5               6.9    -1.9        9
GREATEST
 SNOW DEPTH         5   01/26                          7  01/15
 24 HR TOTAL      4.6   01/31 TO 01/31           01/14 TO 01/14


DEGREE_DAYS
HEATING TOTAL    1138              1258    -120     1088
 SINCE 7/1       3366              3707    -341     3183
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/13
LATEST                          05/02
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   7/242
HIGHEST WIND SPEED/DIRECTION    43/280    DATE  01/20
HIGHEST GUST SPEED/DIRECTION    52/280    DATE  01/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   25
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                1     SNOW                       7
LIGHT SNOW               21     SLEET                      2
FOG                      20     FOG W/VIS <= 1/4 MILE      5
HAZE                     12

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

$$