Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KIWX 031930
CLSSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1101 PM EST SUN DEC 1 2019

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE FALL SEASON 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              99   09/01/1953
                        09/08/1933
                        09/07/1933
 LOW               -7   11/25/1950
HIGHEST            90   10/01        MM      MM       90
                        09/11
                        09/10
LOWEST              6   11/13        MM      MM       17
                        11/12
AVG. MAXIMUM     61.1              61.3    -0.2     58.8
AVG. MINIMUM     43.9              43.2     0.7     42.6
MEAN             52.5              52.3     0.2
DAYS MAX >= 90      3               0.7     2.3        3
DAYS MAX <= 32      3               1.9     1.1        6
DAYS MIN <= 32     18              16.6     1.4       27
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.07   2008
 MINIMUM         3.23   1956
TOTALS          13.15             10.12    3.03    10.62
DAILY AVG.       0.15              0.11    0.04     0.12
DAYS >= .01        30              34.2    -4.2       42
DAYS >= .10        22              19.6     2.4       23
DAYS >= .50         8               6.3     1.7       10
DAYS >= 1.00        4               2.0     2.0        0
GREATEST
 24 HR. TOTAL    2.95   9/27 TO 9/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.6   1977
 24 HR TOTAL       MM
TOTALS            7.0               5.2     1.8     12.1
SINCE 7/1         7.0               5.2     1.8     12.1
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      10               4.2     5.8       15
DAYS >= 1.0         1               1.8    -0.8        4
GREATEST
 SNOW DEPTH         5   11/12                          4
 24 HR TOTAL      6.0   11/11 TO 11/11

DEGREE_DAYS
HEATING TOTAL    1271              1252      19     1446
 SINCE 7/1         MM              1269      MM       MM
COOLING TOTAL     160                91      69      171
 SINCE 1/1        779               773       6      941
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  11/27
HIGHEST GUST SPEED/DIRECTION    52/250    DATE  11/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC             33
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 14
  0
  0
  2
  0
  5
HAZE                     15

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

THE MEAN TEMPERATURE WAS 52.5 DEGREES WHICH IS NEAR NORMAL FOR
THE SEASON (52.3 DEGREES). 13.15 INCHES OF PRECIPITATION FELL THIS
FALL, WHICH WAS 3.03 INCHES ABOVE NORMAL. THIS RANKS AS THE 16TH
WETTEST FALL ON RECORD. THIS WAS THE WETTEST FALL SINCE 2017 WHEN
14.57 INCHES FELL (8TH WETTEST). THERE WAS 7.0 INCHES OF SNOW, WHICH
IS 1.8 INCHES ABOVE NORMAL. THIS RANKS AS THE 59TH SNOWIEST FALL ON
RECORD.

BELOW IS A SUMMARY OF EACH FALL MONTH.

BROWN

SEPTEMBER
...A WARM MONTH WITH A RAINY FINISH...

SOUTH BEND STARTED THE MONTH OF SEPTEMBER WITH BELOW AVERAGE
TEMPERATURES ON 6 OUT OF 8 DAYS, BUT THEN THE REST OF THE MONTH
TURNED AROUND TO HAVE ABOVE AVERAGE TEMPERATURES. THE MONTH`S HIGH
TEMPERATURE OF 90 WAS RECORD ON SEPTEMBER 10TH AND 11TH AND ITS LOW
TEMPERATURE OF 47 WAS RECORDED ON SEPTEMBER 5TH. THE MONTH FINISHED
WITH ABOVE AVERAGE AVERAGE TEMPERATURES BY 4.9 DEGREES, WHICH RANKED
AS THE 9TH WARMEST FOR THE PERIOD OF RECORD.

PRECIPITATION FOR THE FIRST 25 DAYS OF THE MONTH WAS RATHER LOW WITH
ONLY 1 DAY RECEIVING GREATER THAN 0.5 INCH AND ONLY 10 OF THOSE DAYS
RECEIVING AT LEAST A TRACE OF PRECIPITATION. AS SUCH, THERE WAS A 1
TO 2 CLASS DEGRADATION OF THE DROUGHT BY THE DROUGHT MONITOR. THEN,
IT RAINED AT LEAST A TRACE ALL OF THE LAST 5 DAYS OF THE MONTH AND
4.15 INCHES OF RAIN FELL BETWEEN THE 27TH AND 29TH. AS SUCH, THE
MONTH FINISHED WITH ABOVE AVERAGE PRECIPITATION BY 3.03 INCHES,
WHICH RANKED AS THE 9TH WETTEST FOR THE PERIOD OF RECORD.

ROLLER/BROWN

OCTOBER
...NOTABLY WARM TO START, WINTER CHILL TO END...

THE HIGHEST TEMPERATURE OF THE MONTH WAS 90 DEGREES ON THE 1ST. THIS
TIES THE DAILY RECORD HIGH IN 1897. OCTOBER 1ST ALSO SET A NEW
RECORD MINIMUM TEMPERATURE OF 72 DEGREES. THE PREVIOUS RECORD WAS 67
DEGREES IN 2002. THIS A RECORD FOR THE ENTIRE MONTH OF OCTOBER.
COMPARE THESE BALMY TEMPERATURES TO THE LOWEST TEMPERATURE OF THE
MONTH, 33 DEGREES ON THE 31ST! THE MEAN TEMPERATURE FOR THE MONTH
WAS 53.2 DEGREES; 1.1 DEGREES ABOVE NORMAL. THIS RANKS AS THE 55TH
WARMEST ON RECORD.

A PRECIPITATION RECORD WAS ALSO OBSERVED THIS MONTH. ON THE 26TH,
1.49 INCHES OF RAIN BROKE THE PREVIOUS RECORD OF 1.35 SET IN 1991.
THE TOTAL PRECIPITATION FOR THE MONTH WAS 5.15 INCHES; 1.83 INCHES
ABOVE NORMAL. ABOUT 65% OF THE MONTH`S PRECIPITATION TOTAL FELL ON
THE FINAL SIX DAYS OF THE MONTH; 3.34 INCHES. THIS RANKS AS THE 17TH
WETTEST OCTOBER ON RECORD. WHILE THIS MAY SOUND IMPRESSIVE, OCTOBER
2017 OBSERVED 9.13 INCHES!

0.2 INCHES OF SNOW WAS OBSERVED ON THE 31ST. THIS WAS THE ONLY DATE
WITH SNOW FOR THE MONTH. THIS IS 0.2 INCHES BELOW THE NORMAL OF 0.4
INCHES. THIS RANKS AS THE 30TH SNOWIEST OCTOBER ON RECORD.
SPECIFICALLY FOR HALLOWEEN, 0.2 INCHES TIES 2014 AS THE 4TH GREATEST
DAILY TOTAL.

BROWN

NOVEMBER
...NOVEMBRRR 2019 BREAKS 99+ YEAR-OLD RECORDS...

NOVEMBER 12TH AND 13TH WERE THE DAYS SOUTH BEND REACHED ROCK-BOTTOM
DURING A COLD NOVEMBER 2019. HIGHS WERE IN THE 20S AND OVERNIGHT
LOWS REACHED 6 DEGREES. SEVENTEEN OF THE FIRST EIGHTEEN DAYS OF THE
MONTH HAD A DAILY AVERAGE TEMPERATURE BELOW NORMAL. THIS STRETCH,
NOVEMBER 1-18, RANKED AS THE SECOND COLDEST ON RECORD WITH AN
AVERAGE TEMPERATURE OF 33.2 DEGREES (FIRST COLDEST: 1951, 31.8
DEGREES).

FOUR RECORDS WERE SET AT SOUTH BEND THIS MONTH. NOVEMBER 12TH HAD
TWO RECORDS: THE LOW TEMPERATURE OF 6 DEGREES BROKE THE PREVIOUS
RECORD OF 12 DEGREES IN 1898. THE HIGH TEMPERATURE OF 24 DEGREES SET
A NEW RECORD COLD HIGH TEMPERATURE. THE PREVIOUS RECORD WAS 27 SET
IN 1920. THE LOW TEMPERATURE ON NOVEMBER 13TH OF 6 DEGREES WAS A NEW
RECORD, BREAKING THE PREVIOUS RECORD OF 9 DEGREES IN 1911. LASTLY,
NOVEMBER 11TH SAW A RECORD SNOWFALL OF 6 INCHES. THIS TIES THE
RECORD OF 6 INCHES IN 1907.

THE MEAN TEMPERATURE FOR THE MONTH WAS 35.6 DEGREES. THIS IS 5.1
DEGREES BELOW NORMAL. THIS RANKS AS THE 14TH COLDEST NOVEMBER ON
RECORD. FOR REFERENCE, NOVEMBER 2018 RANKED 6TH COLDEST ON RECORD
WITH A MEAN TEMPERATURE OF 33.9 DEGREES.

NOVEMBER 11TH FEATURED THE FIRST 1"+ SNOWFALL OF 2019-2020. WITH
RESPECT TO THE FIRST SNOWFALL OF 1 INCH OR MORE IN A WINTER SEASON,
THIS MAY RANK AS THE 6TH GREATEST TOTAL. THE START OF WINTER 2014-
2015 SAW 12.3 INCHES ON NOVEMBER 13TH.

FOR THE MONTH, 6.8 INCHES OF SNOW WAS OBSERVED. THIS IS 2.0 INCHES
ABOVE NORMAL. THIS RANKS AS THE 55TH SNOWIEST ON RECORD. 1.44 INCHES
OF PRECIPITATION WAS OBSERVED. THIS IS 1.83 INCHES BELOW NORMAL.
THIS RANKS AS THE 15TH DRIEST ON RECORD.

ONE ADDITIONAL NOTE FOR THE MONTH WAS A WIND STORM ON THE 27TH IN
WHICH A WIND GUST OF 52 MPH WAS RECORDED. THIS STORM RESULTED IN
SOME PROPERTY DAMAGE INCLUDING DOWNED TREES AND POWER LINES.

BROWN
$$


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