Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KIWX 011901
CLSSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
200 PM EDT TUE SEP 1 2015

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM
6/1/2015 TO 8/31/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             109   07/24/1934
 LOW               35   06/11/1972
                        06/02/1956
                        06/16/1917
HIGHEST            94   08/02        81      13       91
LOWEST             44   06/02        61     -17       46
AVG. MAXIMUM     80.1              81.1    -1.0     80.8
AVG. MINIMUM     60.6              61.2    -0.6     61.0
MEAN             70.4              71.1    -0.7
DAYS MAX >= 90      5               8.7    -3.7        2
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        17.15   1995
 MINIMUM         5.62   1991
TOTALS          11.18             11.55   -0.37    13.13
DAILY AVG.       0.12              0.13   -0.01     0.14
DAYS >= .01        35              29.7     5.3       33
DAYS >= .10        22              19.6     2.4       27
DAYS >= .50         9               7.9     1.1       10
DAYS >= 1.00        2               2.9    -0.9        3
GREATEST
 24 HR. TOTAL    1.98

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       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
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL      44                62     -18       45
 SINCE 7/1         25                18       7       28
COOLING TOTAL     559               626     -67      608
 SINCE 1/1        645               682     -37      693
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    32/280    DATE  07/18
HIGHEST GUST SPEED/DIRECTION    45/260    DATE  06/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           51
NUMBER OF DAYS PC             32
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             MM     MIXED PRECIP               0
HEAVY RAIN               10     RAIN                      19
LIGHT RAIN               33     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      46     FOG W/VIS <= 1/4 MILE      5
HAZE                     16

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

&&

SUMMER 2015

THE SUMMER BEGAN VERY WET...ESPECIALLY SOUTH AND EAST OF SOUTH BEND.
HOWEVER...LATE JULY AND AUGUST EXPERIENCED BELOW NORMAL
PRECIPITATION. TEMPERATURES FOR THE SUMMER WERE CLOSE TO NORMAL BUT
JULY WAS WELL BELOW NORMAL...DUE IN LARGE PART TO THE RAIN AND
CLOUDS DURING THE MIDDLE OF THE MONTH. AUGUST WAS ALSO BELOW NORMAL
DUE TO AN UNSEASONABLY COOL PERIOD LATE IN THE MONTH.

THE AVERAGE TEMPERATURE FOR THE SUMMER AT SOUTH BEND WAS 70.4...JUST
0.7 DEGREES BELOW NORMAL. THIS TIED FOR THE 39TH COOLEST SUMMER ON
RECORD. THERE WERE 5 DAYS WITH HIGH TEMPERATURES AT OR ABOVE 90
DEGREES THIS SUMMER. THE NORMAL NUMBER OF 90 DEGREE DAYS AT SOUTH
BEND FOR A YEAR IS 14.

PRECIPITATION FOR THE SEASON WAS 11.18 INCHES...0.37 INCHES BELOW
NORMAL. THIS WAS THE 53RD WETTEST SUMMER ON RECORD. JUNE AND JULY
PRECIPITATION WERE BOTH SLIGHTLY ABOVE NORMAL BUT A DRY AUGUST
OFFSET THIS WITH PRECIPITATION THAT WAS BELOW NORMAL BY OVER AN
INCH.

BELOW IS A MONTH BY MONTH REVIEW OF THE SUMMER OF 2015

JUNE

DESPITE HEAVY RAINFALL ACROSS MUCH OF THE MICHIANA
REGION...TEMPERATURES AND PRECIPITATION AT SOUTH BEND INTERNATIONAL
AIRPORT WERE CLOSE TO NORMAL FOR THE MONTH OF JUNE. MEASURABLE
PRECIPITATION FELL ON 18 DAYS AND 3 OF THOSE DAYS HAD A HALF INCH OR
MORE OF RAIN. AREAS TO THE SOUTH OF SOUTH BEND RECEIVED
SIGNIFICANTLY MORE RAINFALL WITH SIGNIFICANT FLOODING OCCURRING OVER
NORTHWEST AND NORTH CENTRAL INDIANA.

THE AVERAGE MONTHLY TEMPERATURE WAS 69.4 DEGREES...0.3 DEGREES ABOVE
NORMAL. THIS WAS THE 51ST WARMEST JUNE ON RECORD. THE HIGHEST
TEMPERATURE WAS 90 ON THE 10TH AND THE COOLEST TEMPERATURE WAS 44 ON
THE 2ND.

JUNE PRECIPITATION AT SOUTH BEND TOTALED 4.07 INCHES...0.28 INCHES
ABOVE NORMAL. THIS RANKED AS THE 53RD WETTEST JUNE ON RECORD. THE
GREATEST 24 HOUR PRECIPITATION WAS 1.13 INCHES ON THE 26TH AND 27TH.

JULY

JULY WAS COOLER AND WETTER THAN NORMAL. AFTER AN ACTIVE RAINFALL
PATTERN IN JUNE...JULY BEGAN DRY AT SOUTH BEND...WITH NO RAINFALL
OBSERVED DURING THE FIRST 6 DAYS OF THE MONTH. HOWEVER...AN ACTIVE
WEATHER PATTERN RETURNED DURING THE SECOND AND THIRD WEEKS WITH
SEVERAL DAYS OF RAINFALL. DRY CONDITIONS RETURNED TO END JULY WITH
NO RAINFALL OBSERVED FROM THE 19TH THROUGH THE 31ST. TEMPERATURES
WERE AT OR BELOW NORMAL FOR THE FIRST HALF OF JULY...WITH ONLY 5
DAYS THAT REACHED 80 DEGREES FROM THE 1ST THROUGH THE 16TH...AND A
HIGH TEMPERATURE OF ONLY 67 DEGREES ON THE 8TH AND 69 DEGREES ON THE
FIRST. TEMPERATURES DID REBOUND TO AT OR ABOVE NORMAL DURING THE
LAST HALF OF THE MONTH...WITH A HIGH TEMPERATURE OF AT LEAST 80
DEGREES EVERY DAY BUT ONE FROM THE 17TH THROUGH THE 31ST.

THE AVERAGE MONTHLY TEMPERATURE WAS 71.2 DEGREES...1.8 DEGREES BELOW
NORMAL. THIS WAS THE T-22ND COOLEST JULY ON RECORD. THE HIGHEST
TEMPERATURE WAS 90 ON THE 17TH...18TH AND 28TH AND THE COOLEST
TEMPERATURE WAS 53 ON THE 2ND...8TH AND 10TH.

JULY PRECIPITATION AT SOUTH BEND TOTALED 4.79 INCHES...0.79 INCHES
ABOVE NORMAL. THIS RANKED AS THE 33RD WETTEST JULY ON RECORD. THE
GREATEST 24 HOUR PRECIPITATION WAS 1.98 INCHES ON THE 16TH AND 17TH.
THERE WERE ONLY 8 DAYS WITH MEASURABLE RAINFALL IN JULY...ALL
BETWEEN THE 7TH AND 18TH OF THE MONTH. WHILE RAINFALL WAS ONLY
SLIGHTLY ABOVE NORMAL AT SOUTH BEND...SOME AREAS SOUTH AND EAST OF
SOUTH BEND RECEIVED RAINFALL NEARLY 200-300% ABOVE NORMAL.

AUGUST

AUGUST STARTED OUT WITH NEAR NORMAL TEMPERATURES AND RELATIVELY DRY
CONDITIONS AT SOUTH BEND. DURING THE FIRST 12 DAYS OF THE
MONTH...HIGH TEMPERATURES GENERALLY RANGED FROM THE UPPER 70S TO MID
80S...ASIDE FROM A HIGH TEMPERATURE OF 94 DEGREES ON THE 2ND...WHICH
WAS THE WARMEST DAY OF 2015 AT SOUTH BEND TO DATE. THERE WERE ONLY
THREE DAYS WITH MEASURABLE RAINFALL IN THE FIRST 16 DAYS OF THE
MONTH...ONLY TOTALING 0.90 INCHES OF PRECIPITATION.

A MORE TUMULTUOUS PATTERN DEVELOPED DURING THE LAST HALF OF THE
MONTH. AFTER A STRETCH OF ABOVE NORMAL TEMPERATURES FROM THE 13TH
THROUGH THE 19TH...TEMPERATURES WERE WELL BELOW NORMAL FROM THE 20TH
THROUGH THE 28TH...RECOVERING TO NEAR NORMAL BY THE END OF THE
MONTH. SOUTH BEND ALSO HAD 6 DAYS OF MEASURABLE RAINFALL FROM THE
15TH THROUGH THE END OF THE MONTH.

THE AVERAGE MONTHLY TEMPERATURE WAS 70.5 DEGREES...ONLY 0.8 DEGREES
BELOW NORMAL. THIS WAS THE T-44TH COOLEST AUGUST ON RECORD. THE
HIGHEST TEMPERATURE WAS 94 ON THE 2ND...AND THE COOLEST TEMPERATURE
WAS 47 ON THE 27TH.

AUGUST PRECIPITATION AT SOUTH BEND TOTALED 2.32 INCHES...1.44 INCHES
BELOW NORMAL. THIS RANKED AS THE 36TH DRIEST AUGUST ON RECORD. THE
GREATEST 24 HOUR PRECIPITATION WAS 0.55 INCHES ON THE 23RD. THERE
WERE ONLY 9 DAYS WITH MEASURABLE RAINFALL IN AUGUST.

$$

LASHLEY
GREENAWALT


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