Climatological Report (Seasonal)
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CXUS53 KIWX 011906
CLSSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
238 PM EDT MON JUN 1 2015

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE SPRING SEASON, FROM
3/1/2015 TO 5/31/2015...

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              97   05/27/2012
 LOW              -13   03/08/1943
HIGHEST            86   05/07        MM      MM       91
LOWEST                  03/06        MM      MM       -4
AVG. MAXIMUM     60.0              58.7     1.3     57.5
AVG. MINIMUM     38.6              38.5     0.1     35.8
MEAN             49.3              48.6     0.7
DAYS MAX >= 90      0               0.3    -0.3       MM
DAYS MAX <= 32      5               3.6     1.4       MM
DAYS MIN <= 32     27              28.5    -1.5       MM
DAYS MIN <= 0       1               0.1     0.9       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.83   1976
 MINIMUM         4.24   1971
TOTALS           9.19              9.48   -0.29     9.14
DAILY AVG.       0.10              0.10    0.00     0.10
DAYS >= .01        34              38.2    -4.2       MM
DAYS >= .10        18              20.7    -2.7       MM
DAYS >= .50         6               6.2    -0.2       MM
DAYS >= 1.00        2               1.5     0.5       MM
GREATEST
 24 HR. TOTAL    2.41

SNOWFALL (INCHES)
RECORDS
 TOTAL          999.0   2014
 24 HR TOTAL       MM
TOTALS            6.1               8.5    -2.4     12.9
SINCE 7/1        84.1              66.6    17.5   1087.4
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= TRACE       8               7.4     0.6       MM
DAYS >= 1.0         2               2.6    -0.6       MM
GREATEST
 SNOW DEPTH        12   03/02                          1
 24 HR TOTAL      4.7   MM

DEGREE_DAYS
HEATING TOTAL    1507              1565     -58     1753
 SINCE 7/1         MM              6254      MM       MM
COOLING TOTAL      86                55      31       85
 SINCE 1/1         86                56      30       85
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    37/220    DATE  05/25
HIGHEST GUST SPEED/DIRECTION    49/230    DATE  05/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           39
NUMBER OF DAYS PC             33
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               33     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                7     SLEET                      1
FOG                      40     FOG W/VIS <= 1/4 MILE      8
HAZE                     24

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

&&

IT WAS A RATHER QUIET AND UNEVENTFUL SPRING THIS YEAR IN THE SOUTH
BEND AREA. WHILE MARCH BEGAN COOL AND DRY...MAY ENDED WARM AND WET.
SNOWFALL FOR THE SEASON WAS BELOW NORMAL...WITH ALL MEASURABLE SNOW
FALLING IN THE MONTH OF MARCH.

THE AVERAGE TEMPERATURE FOR THE SPRING SEASON WAS 49.3 DEGREES...0.7
DEGREES ABOVE NORMAL. THIS RANKED AS THE 32ND WARMEST SPRING SEASON
DATING BACK TO 1893.

PRECIPITATION WAS 9.19 INCHES...0.29 INCHES BELOW NORMAL. THIS
RANKED AS THE 53RD WETTEST SPRING SEASON.

SNOWFALL FOR SPRING WAS 6.1 INCHES...2.4 INCHES BELOW NORMAL. THIS
RANKED AS THE 44TH LEAST SNOWIEST SPRING ON RECORD.

THE TOTAL SNOWFALL FOR THE PERIOD FROM JULY 1ST THROUGH MAY 31ST WAS
84.1 INCHES...17.5 INCHES ABOVE NORMAL. THIS RANKED AS THE 15TH
SNOWIEST FOR SEASONAL SNOWFALL.

BELOW IS A MONTH BY MONTH SUMMARY OF THE METEOROLOGICAL SPRING
SEASON.


...A COOL AND DRY MARCH WITH SLIGHTLY BELOW NORMAL SNOWFALL...

MARCH PROVED ONCE AGAIN IT CAN BE A MONTH OF EXTREMES AS WINTER
TRIED TO HOLD ON AND SPRING STRUGGLED TO BEGIN. MARCH BEGAN LIKE A
LION WITH COLD AND SNOWY CONDITIONS BUT WARMED CONSIDERABLY BY MID
MONTH WITH THE FIRST 70 DEGREE DAY OF THE YEAR. THIS WARMTH WOULD BE
BRIEF AS RECORD SNOW WAS RECORDED JUST A SHORT WEEK LATER. THE MONTH
DID END LIKE A LAMB WITH TEMPERATURES CLOSER TO NORMAL.

THE FIRST 8 DAYS OF MARCH WERE BELOW NORMAL...AND 4 OF THESE DAYS
WERE MORE THAN 10 DEGREES BELOW NORMAL AND 2 DAYS WERE AT LEAST 20
DEGREES BELOW NORMAL. THE NEXT 13 DAYS WERE NEAR OR ABOVE NORMAL
FOLLOWED BY ANOTHER STRETCH OF 8 DAYS NEAR OR BELOW NORMAL. THE
COLDEST DAY OF THE MONTH WAS MARCH 6TH WITH A HIGH OF JUST 26 AND A
LOW OF 1 BELOW ZERO FOR AN AVERAGE TEMPERATURE OF 13...21 DEGREES
BELOW NORMAL. THE WARMEST DAY WAS MARCH 16TH. THE HIGH WAS 72 AND
THE LOW WAS 44 FOR AN AVERAGE TEMPERATURE OF 58...21 DEGREES ABOVE
NORMAL.

IT WAS A RATHER DRY MONTH WITH MEASURABLE PRECIPITATION FALLING ON
JUST 8 DAYS. ONLY TWO DAYS...THE 23RD AND 25TH...SAW MORE THAN A
QUARTER OF AN INCH OF PRECIPITATION.

THE AVERAGE MONTHLY TEMPERATURE WAS 34.4 DEGREES...3.1 DEGREES BELOW
NORMAL. THIS RANKED AS THE 43RD COOLEST MARCH. PRECIPITATION WAS
ONLY 0.78 INCHES...WHICH WAS 1.64 INCHES BELOW NORMAL. THIS RANKED
AS THE 5TH DRIEST MARCH ON RECORD.

MARCH SNOWFALL WAS 6.1 INCHES...ONE INCH BELOW NORMAL. THIS RANKED
AS THE 58TH LEAST SNOWIEST MARCH. MEASURABLE SNOW FELL ON JUST FOUR
DAYS WITH THE GREATEST FALLING ON MARCH 23RD WITH A SINGLE DAY
RECORD SNOWFALL OF 4.7 INCHES. THIS BROKE THE PREVIOUS RECORD OF 3.4
INCHES SET ON THIS DATE IN 1965.


...APRIL WAS WARMER AND DRIER THAN NORMAL...

IT WAS A RATHER UNEVENTFUL APRIL AS TEMPERATURES AVERAGED JUST A
LITTLE WARMER THAN NORMAL AND PRECIPITATION WAS BELOW NORMAL. THERE
WAS A VARIETY OF WEATHER INCLUDING SNOW
SHOWERS...THUNDERSTORMS...FROST...AND TEMPERATURES RANGING FROM THE
LOWER 20S TO 80 DEGREES.

THE AVERAGE MONTHLY TEMPERATURE WAS 50.3 DEGREES...JUST 1.3 DEGREES
ABOVE NORMAL. THIS RANKED AS THE 30TH WARMEST APRIL ON RECORD SINCE
1893. THE LOWEST TEMPERATURE WAS 23 ON THE 4TH AND THE WARMEST WAS
80 ON THE 18TH.

PRECIPITATION FOR THE MONTH WAS 2.40 INCHES...0.83 INCHES BELOW
NORMAL. THIS RANKED AS THE 36TH DRIEST APRIL ON RECORD. MEASURABLE
PRECIPITATION FELL ON 11 DAYS AND TWO DAYS...THE 9TH AND
19TH...RECEIVED OVER A HALF INCH OF RAINFALL.

THERE WAS A TRACE OF SNOWFALL ON THE 22ND AND TOTAL FOR THE MONTH
WAS JUST A TRACE. THIS WAS 1.4 INCHES BELOW NORMAL. THIS TIED FOR
THE 6TH LEAST SNOWIEST APRIL ON RECORD.


...LATE MONTH RAIN PUSHES MAY ABOVE NORMAL FOR PRECIPITATION...

NEARLY TWO AND A HALF INCHES OF RAIN ON THE LAST TWO DAYS OF MAY
HELPED PUSH MONTHLY PRECIPITATION TOTALS OVER 6 INCHES AT SOUTH
BEND. THIS ALSO MOVED THE MONTHLY PRECIPITATION TOTALS FROM THE NEAR
NORMAL CATEGORY TO THE WELL ABOVE NORMAL CATEGORY. IT WAS ALSO A
RELATIVELY WARM MONTH WITH TEMPERATURES AVERAGING NEARLY 4 DEGREES
WARMER THAN NORMAL. THE LAST DAY OF THE MONTH HOWEVER WAS VERY COOL
WITH DAYTIME TEMPERATURES STAYING IN THE 50S.

THE AVERAGE MONTHLY TEMPERATURE WAS 63.2 DEGREES...3.9 DEGREES ABOVE
NORMAL. THIS RANKED TIED FOR THE 19TH WARMEST MAY ON RECORD. THERE
WERE JUST 9 DAYS WITH AN AVERAGE TEMPERATURE BELOW NORMAL. THE
HIGHEST TEMPERATURE WAS 86 ON THE 7TH AND THE COOLEST WAS 37 ON THE
19TH AND 20TH. THERE WERE 12 DAYS WITH A HIGH TEMPERATURE OF 80
DEGREES OR WARMER BUT ALSO 4 DAYS WITH A HIGH TEMPERATURE BELOW 60.

MAY WAS CLOSE TO NORMAL FOR PRECIPITATION HEADING INTO THE 30TH BUT
2.00 INCHES OF RAIN FELL AT THE AIRPORT ON THIS DAY AND ANOTHER 0.46
INCHES FELL DURING THE MORNING OF THE 31ST. THIS PUSHED THE MONTHLY
TOTAL PRECIPITATION TO 6.01 INCHES...2.18 INCHES ABOVE NORMAL. THIS
RANKED AS THE 14TH WETTEST MAY ON RECORD. WITHOUT THIS LATE MONTH
HEAVY RAIN...MAY WOULD HAVE RANKED AROUND 56TH WETTEST. THE 2.00
INCHES OF RAINFALL ON THE 30TH WAS ALSO A RECORD FOR THAT
DATE...BREAKING THE PREVIOUS RECORD OF 1.53 INCHES SET IN 2004.

THERE WAS NO SNOWFALL RECORDED DURING THE MONTH.

$$
LASHLEY




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