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035
CXUS53 KIWX 011630
CLMSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
841 AM EST THU JAN 1 2015

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              70   12/05/2001
                        12/02/1982
 LOW              -18   12/28/1924
HIGHEST            55   12/14        MM      MM       59  12/04
LOWEST              8   12/31        MM      MM       -3  12/12
AVG. MAXIMUM     38.7              35.2     3.5     32.9
AVG. MINIMUM     27.7              22.4     5.3     19.3
MEAN             33.2              28.8     4.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      3              11.6    -8.6       17
DAYS MIN <= 32     20              25.6    -5.6       25
DAYS MIN <= 0       0               1.2    -1.2        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.50   1965
 MINIMUM         0.60   1943
TOTALS           1.47              2.61   -1.14     2.33
DAILY AVG.       0.05              0.08   -0.03     0.08
DAYS >= .01        10              15.8    -5.8       19
DAYS >= .10         4               6.9    -2.9        6
DAYS >= .50         1               1.2    -0.2        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.67   12/24 TO 12/24

SNOWFALL (INCHES)
RECORDS
 TOTAL          999.0   2013
TOTALS            0.2              17.3   -17.1    999.0
SINCE 7/1        19.5              22.5    -3.0   1008.2
SNOWDEPTH AVG.      0                 3      -3        1
DAYS >= 1.0         0               5.1    -5.1        2
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.2   MM

DEGREE_DAYS
HEATING TOTAL     978              1122    -144     1197
 SINCE 7/1       2420              2391      29     2486
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        771               773      -2      828
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    26/270    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    31/210    DATE  12/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

&&

...LITTLE SNOW AND RELATIVELY MILD TEMPERATURES DURING DECEMBER...

AFTER A VERY COLD AND SNOWY NOVEMBER...DECEMBER WAS A DRASTICALLY
DIFFERENT MONTH WITH ABOVE NORMAL TEMPERATURES AND SETTING A RECORD
FOR THE LEAST SNOWIEST DECEMBER ON RECORD.

DECEMBER BEGAN WITH SLIGHTLY BELOW NORMAL TEMPERATURES AND ENDED
WITH TEMPERATURES MUCH BELOW NORMAL...BUT IN BETWEEN MOST DAYS WERE
WARMER THAN NORMAL. ONLY 9 DAYS HAD AN AVERAGE TEMPERATURE BELOW
NORMAL AND THE COLDEST WAS ON THE LAST DAY OF THE MONTH WHICH WAS 11
DEGREES BELOW NORMAL. BETWEEN THE 4TH AND 30TH...ONLY THREE DAYS WERE
BELOW NORMAL...THE 10TH...11TH AND 12TH. THERE WERE 9 DAYS IN
DECEMBER IN WHICH THE AVERAGE DAILY TEMPERATURE WAS GREATER THAN 10
DEGREES ABOVE NORMAL. THE WARMEST DAY WAS THE 14TH WITH A HIGH OF 55
AND A LOW OF 45 FOR AN AVERAGE TEMPERATURE OF 50 DEGREES. IN
COMPARISON...ONLY 3 DAYS IN NOVEMBER HAD AN AVERAGE TEMPERATURE OF
50 DEGREES OR WARMER.

THE WEATHER WAS VERY TRANQUIL AND RELATIVELY MILD...ESPECIALLY
COMPARED TO THE VERY COLD AND SNOWY NOVEMBER. ONLY A HANDFUL OF
WEATHER SYSTEMS BROUGHT PRECIPITATION TO THE SOUTH BEND AREA. ABOUT
HALF OF THE MONTHS PRECIPITATION FELL ON THE 23RD AND 24TH WITH A
VERY COMPLEX WINTER STORM SYSTEM THAT MOVED JUST EAST OF THE LOCAL
AREA. WITH COLD AIR LACKING AND WARM MOISTURE FROM THE PACIFIC AND
GULF OF MEXICO STREAMING INTO THE AREA...PRECIPITATION FELL AS
MAINLY RAIN WITH ONLY A FEW WET SNOWFLAKES FALLING ON THE BACK SIDE
AS THIS SYSTEM DEPARTED.

WITH THE LACK OF COLD AIR AND PRECIPITATION PRODUCING WEATHER
SYSTEMS...IT IS NO SURPRISE THAT THE MONTH ENDED AS THE LEAST
SNOWIEST DECEMBER ON RECORD IN SOUTH BEND. WHAT IS A SURPRISE IS
THAT IT FOLLOWED A NOVEMBER THAT WAS THE 4TH SNOWIEST ON RECORD
WITH 19.3 INCHES OF SNOW.

THE AVERAGE MONTHLY TEMPERATURE WAS 33.2 DEGREES WHICH WAS 4.4
DEGREES ABOVE NORMAL. THIS RANKED AS THE 20TH WARMEST DECEMBER.
THERE WERE JUST 3 DAYS WITH A HIGH TEMPERATURE OF 32 DEGREES OR
COLDER. THE WARMEST TEMPERATURE WAS 55 ON THE 14TH AND THE COLDEST
WAS 8 ON THE 31ST.

PRECIPITATION FOR THE MONTH WAS 1.47 INCHES...1.14 INCHES BELOW
NORMAL. THIS RANKED AS THE 22ND DRIEST DECEMBER ON RECORD.

WHILE A TRACE OF SNOW FELL ON 10 DAYS...MEASURABLE SNOW FELL ON JUST
ONE SINGLE DAY...DECEMBER 30TH. ONLY 0.2 INCHES OF SNOW WAS MEASURED
AND THIS MARKS THE LEAST SNOWIEST DECEMBER ON RECORD. THE OLD RECORD
WAS 0.5 INCHES SET IN 1912. THIS ALSO TIES THE RECORD FOR THE FEWEST
NUMBER OF DAYS WITH MEASURABLE SNOWFALL IN DECEMBER AT SOUTH BEND.
DECEMBER 1912 AND DECEMBER 1931 BOTH HAD ONLY 1 DAY OF MEASURABLE
SNOWFALL.

$$
LASHLEY










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