Climatological Report (Monthly)
Issued by NWS Grand Rapids, MI

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CXUS53 KGRR 020151
CLMGRR

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
243 PM EDT SAT AUG 1 2015

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF JULY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             108   07/13/1936
 LOW               41   07/06/1983
HIGHEST            90   07/28        93      -3       89  07/22
LOWEST             50   07/08        48       2       51  07/17
                        07/03
AVG. MAXIMUM     81.4              82.8    -1.4     78.4
AVG. MINIMUM     60.2              62.2    -2.0     58.5
MEAN             70.8              72.5    -1.7     68.4
DAYS MAX >= 90      1               3.5    -2.5        0
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         8.83   1992
 MINIMUM         0.25   1894
TOTALS           2.23              3.78   -1.55     4.42
DAILY AVG.       0.07              0.12   -0.05     0.14
DAYS >= .01         7               9.7    -2.7       12
DAYS >= .10         5               6.1    -1.1        7
DAYS >= .50         2               2.5    -0.5        4
DAYS >= 1.00        0               1.0    -1.0        1
GREATEST
 24 HR. TOTAL    0.92   07/13 TO 07/14

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   1990
 24 HR TOTAL        T   MM
 SNOW DEPTH         T   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
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   07/31 TO 07/31

DEGREE_DAYS
HEATING TOTAL      13                 6       7        9
 SINCE 7/1         13                 6       7        9
COOLING TOTAL     198               239     -41      124
 SINCE 1/1        339               431     -92      356

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

WIND (MPH)
AVERAGE WIND SPEED              7.7
RESULTANT WIND SPEED/DIRECTION   2/240
HIGHEST WIND SPEED/DIRECTION    32/200    DATE  07/14
HIGHEST GUST SPEED/DIRECTION    52/200    DATE  07/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   69
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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

&&

JULY 2015 WAS COOLER THAN NORMAL WITH VARIABLE PRECIPITATION THAT
ENDED UP CLOSE TO NORMAL FOR MUCH OF THE AREA.

TEMPERATURES BEGAN JULY BELOW NORMAL IN THE WAKE OF A COLD FRONT.
CANADIAN HIGH PRESSURE MOVED IN AND BROUGHT A TRANQUIL FIRST WEEK
OF JULY TO MICHIGAN.

THE MIDDLE OF JULY SAW ACTIVE WEATHER AND TEMPERATURES CONTINUING
MAINLY BELOW NORMAL. FRONTAL SYSTEMS POURED THROUGH THE REGION
BRINGING BOUTS OF HEAVY RAIN... STRONG WINDS AND SOME SEVERE
WEATHER. THIS INCLUDED A BRIEF TOUCHDOWN OF AN EF0 TORNADO AT 1215
AM JULY 14TH... 3 MILES SOUTH SOUTHWEST OF ALTO IN KENT COUNTY. MANY
TREES WERE ALSO KNOCKED DOWN ACROSS THE AREA DURING THE ACTIVE
WEATHER IN THE MIDDLE OF JULY.

THE LAST 10 DAYS OF JULY WERE RELATIVELY DRY WITH TEMPERATURES
RISING ABOVE NORMAL. HIGH TEMPERATURES OF 90 DEGREES WERE RECORDED
IN MUSKEGON ON JULY 26TH AND IN GRAND RAPIDS ON JULY 28TH. THESE
VALUES ENDED LONG NEAR RECORD PERIODS WITH TEMPERATURES REMAINING
BELOW 90. THE STREAK AT MUSKEGON ENDED AT 737 DAYS AND WAS THE 7TH
LONGEST STREAK. THE GRAND RAPIDS STREAK ENDED AT 685 DAYS AND WAS
THE SECOND LONGEST STREAK. THE LONGEST STREAK FOR GRAND RAPIDS WAS
703 DAYS ENDING IN JUNE OF 1952.

IN LANSING... THE TEMPERATURE HAS YET TO REACH 90 DEGREES THIS YEAR.
THE STREAK IS AT 689 DAYS AS OF THE END OF JULY 2015 AND STANDS AS
THE SECOND LONGEST ON RECORD. THE RECORD... 702 DAYS ENDING IN JULY
1916... WILL FALL IF THE TEMPERATURE DOES NOT REACH 90 DEGREES BY
MID AUGUST.

MUSKEGON WAS THE ONLY SITE TO HAVE A TOP TEN MONTH IN TEMPERATURE OR
PRECIPITATION WITH 5.05 INCHES OF RAIN RECORDED DURING THE MONTH.
THIS WAS THE 7TH WETTEST JULY... WITH THE RECORD BEING FROM 1902
WITH 7.11 INCHES. OVER HALF OF THAT TOTAL... 2.74 INCHES FELL ON THE
SIXTH OF JULY.

$$

63 CAS


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