Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KIWX 011426
CLSSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
913 AM EST SAT DEC 1 2018

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE FALL SEASON,
FROM 9/1/2018 TO 11/30/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2018

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   09/20        MM      MM       91
                        09/04
                        09/05
LOWEST             17   11/14        MM      MM       21
AVG. MAXIMUM     58.8              61.3    -2.5     62.8
AVG. MINIMUM     42.6              43.2    -0.6     44.2
MEAN             50.7              52.3    -1.6
DAYS MAX >= 90      3               0.7     2.3        4
DAYS MAX <= 32      6               1.9     4.1        1
DAYS MIN <= 32     27              16.6    10.4       22
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.07   2008
 MINIMUM         3.23   1956
TOTALS          10.62             10.12    0.50    14.57
DAILY AVG.       0.12              0.11    0.01     0.16
DAYS >= .01        42              34.2     7.8       33
DAYS >= .10        23              19.6     3.4       21
DAYS >= .50        10               6.3     3.7        8
DAYS >= 1.00        0               2.0    -2.0        4
GREATEST
 24 HR. TOTAL    0.99

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.6   1977
 24 HR TOTAL       MM
TOTALS           12.1               5.2     6.9        T
SINCE 7/1        12.1               5.2     6.9        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      15               4.2    10.8        4
DAYS >= 1.0         4               1.8     2.2        0
GREATEST
 SNOW DEPTH         4   11/29                          0
                        11/28
 24 HR TOTAL      3.4   MM

DEGREE_DAYS
HEATING TOTAL    1446              1252     194     1162
 SINCE 7/1         MM              1269      MM     1183
COOLING TOTAL     171                91      80      140
 SINCE 1/1        941               773     168      692
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    37/310    DATE  10/20
HIGHEST GUST SPEED/DIRECTION    59/260    DATE  09/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC             31
NUMBER OF DAYS CLOUDY         32

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 14
  0
  0
  2
  0
  4
HAZE                     10

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

&&

FALL 2018

...FALL SEASON SUMMARY 2018...

THE 2018 FALL SEASON AT SOUTH BEND WILL BE REMEMBERED AS THE YEAR
WITHOUT A FALL SEASON. THIS IS BECAUSE THE FIRST HALF OF THE SEASON
WAS VERY WARM, MORE LIKE LATE SUMMER, AND THE SECOND HALF OF THE
SEASON WAS QUITE COLD, MORE LIKE EARLY WINTER. HOWEVER, THE LATTER
HALF OF THE SEASON WAS SO COLD THAT THE AVERAGE TEMPERATURE ENDED UP
BEING BELOW NORMAL.

THE STRETCH FROM SEPTEMBER 1 THROUGH OCTOBER 15, RANKED AS THE 23RD
WARMEST, WITH AN AVERAGE TEMPERATURE OF 64.3. THEN, FROM OCTOBER 16
TO NOVEMBER 30, IT RANKED AS THE 3RD COLDEST ON RECORD WITH AN
AVERAGE TEMPERATURE OF 37.4.

THE AVERAGE MONTHLY TEMPERATURE FOR THE 2018 FALL SEASON WAS 50.7
DEGREES, WHICH WAS 1.6 DEGREES BELOW NORMAL. THIS RANKED AS THE 20TH
COLDEST FALL ON RECORD.

PRECIPITATION FOR THE SEASON WAS 10.62 INCHES, 0.50 INCHES ABOVE
NORMAL. THIS RANKED AS THE 35TH WETTEST SPRING ON RECORD.

SNOWFALL FOR THE SEASON WAS 12.1 INCHES, 6.9 INCHES ABOVE NORMAL.
THIS RANKED AS THE 26TH SNOWIEST FALL SEASON ON RECORD.

BELOW IS A MONTH BY MONTH SUMMARY OF THE FALL SEASON IN THE SOUTH
BEND AREA.

SEPTEMBER

...A WARM AND SLIGHTLY DRY SEPTEMBER IN THE SOUTH BEND AREA...

OVERALL IT WAS A RELATIVELY UNEVENTFUL START TO THE FALL SEASON. THE
MONTHLY AVERAGE TEMPERATURE WAS OVER 3 DEGREES ABOVE NORMAL WHILE
MONTHLY PRECIPITATION WAS AROUND ONE HALF INCH BELOW NORMAL IN THE
SOUTH BEND AREA FOR SEPTEMBER. HIGH TEMPERATURES REACHED 90 DEGREES
ON 3 DAYS AND LOW TEMPERATURES DROPPED BELOW 40 DEGREES ON ONE DAY,
THE 29TH. SEVERE WEATHER IN THE FORM OF ISOLATED DAMAGING WINDS DID
OCCUR ACROSS THE REGION ON A FEW DAYS IN SEPTEMBER BUT THERE WAS NO
WIDESPREAD SEVERE WEATHER.

THE AVERAGE MONTHLY TEMPERATURE WAS 67.1 DEGREES, 3.2 DEGREES ABOVE
NORMAL. THIS RANKED AS THE 25TH WARMEST SEPTEMBER ON RECORD. TOTAL
MONTHLY PRECIPITATION WAS 2.95 INCHES, 0.58 INCHES BELOW NORMAL.
THIS WAS THE 57TH DRIEST SEPTEMBER ON RECORD. THERE WAS NO SNOWFALL.


OCTOBER

...A SLIGHTLY COOL AND WET OCTOBER...

DESPITE A VERY WARM START TO THE MONTH OF OCTOBER, THE WEATHER
PATTERN QUICKLY CHANGED AND THE MAJORITY OF THE MONTH WAS COOL WITH
PERIODS OF RAIN AND EVEN ONE DAY WITH SOME WET SNOWFLAKES. DESPITE
THE PROLONGED COOL PERIOD, THE AVERAGE MONTHLY TEMPERATURE WAS ONLY
SLIGHTLY BELOW NORMAL DUE TO THE VERY WARM START TO THE MONTH
OFFSETTING THE COOLER DAYS.

ALL BUT ONE OF THE FIRST TEN DAYS OF OCTOBER HAD HIGH TEMPERATURES
IN THE 70S AND 80S. THE WARMEST TEMPERATURE OF THE MONTH OCCURRED ON
THE 3RD AND 8TH WITH A HIGH OF 85. THE FIRST TEN DAYS OF OCTOBER
2018 RANKED AS THE 8TH WARMEST ON RECORD FOR THAT PERIOD. IT WAS
ALSO VERY WET DURING THIS STRETCH WITH OVER 3 INCHES OF RAINFALL
WHICH INCLUDED THREE SEPARATE DAYS SEEING MORE THAN 0.90 INCHES OF
RAIN.

THE WEATHER PATTERN ABRUPTLY SHIFTED AFTER THE 10TH AND A STRETCH OF
19 CONSECUTIVE DAYS WITH BELOW NORMAL TEMPERATURES FOLLOWED. THIS
PERIOD FROM THE 11TH TO THE 29TH RANKED AS THE 3RD COLDEST ON RECORD
FOR THAT PERIOD. WHILE IT WAS CLOUDY AND COOL DURING THIS STRETCH,
PRECIPITATION WAS BELOW NORMAL WITH JUST UNDER AN INCH FALLING. A
STRONG AND COLD WEATHER SYSTEM BROUGHT THE FIRST WET SNOWFLAKES OF
THE SEASON TO THE REGION ON THE 20TH. A MIX OF SHOWERS AND
THUNDERSTORMS WITH WET SNOW, GRAUPEL AND HAIL OCCURRED ACROSS THE
REGION. THERE WAS NO ACCUMULATION OF SNOW AND ONLY A TRACE OF
SNOWFALL WAS RECORDED.

THE AVERAGE MONTHLY TEMPERATURE WAS 51.1 DEGREES, 1.0 DEGREES BELOW
NORMAL. THIS RANKED AS THE 32ND COOLEST OCTOBER ON RECORD. THE
WARMEST TEMPERATURE WAS 85 ON THE 3RD AND 8TH AND THE COLDEST
TEMPERATURE WAS 26 ON THE 24TH. THERE WERE 4 DAYS DURING THE MONTH
WITH A LOW TEMPERATURE OF 32 DEGREES OR COLDER.

A TOTAL OF 4.58 INCHES OF PRECIPITATION FELL, WHICH WAS 1.26 INCHES
ABOVE NORMAL. THIS RANKED AS THE 25TH WETTEST OCTOBER ON RECORD. A
TOTAL OF 13 DAYS DURING THE MONTH EXPERIENCED MEASURABLE
PRECIPITATION.

SNOWFALL WAS JUST A TRACE, WHICH WAS 0.4 INCHES BELOW NORMAL.


NOVEMBER

...WAS NOVEMBER AS COLD, WET AND SNOWY AS WE THINK?...

NOVEMBER 2018 CONTINUED THE COLD TREND STARTED IN MID OCTOBER AND
MAY WELL BE REMEMBERED AS A COLD, WET AND SNOWY MONTH. HOWEVER, IS
THIS REALLY AN ACCURATE DEPICTION COMPARED TO NORMAL?

IT INDEED WAS A COLD MONTH TO END THE FALL SEASON. THREE-QUARTERS OF
THE DAYS IN NOVEMBER HAD AN AVERAGE TEMPERATURE BELOW NORMAL AND
NINE OF THESE DAYS WERE AT LEAST 10 DEGREES BELOW NORMAL. THERE WERE
ONLY 4 DAYS WITH A HIGH TEMPERATURE OF 50 DEGREES OR WARMER, AND ALL
FOUR OF THOSE OCCURRED IN A ROW FROM THE 3RD TO THE 6TH. THIS
NOVEMBER TIES WITH NOVEMBER 1972 AS HAVING THE FEWEST NUMBER OF DAYS
WITH HIGH TEMPERATURES ABOVE 50 DEGREES.

THE WARMEST DAY OF THE MONTH IN TERMS OF DEPARTURE FROM NORMAL WAS
THE 24TH. WITH A HIGH TEMPERATURE OF 47 AND A LOW OF 39, THE AVERAGE
DAILY TEMPERATURE WAS 43 WHICH WAS 6 DEGREES ABOVE NORMAL. IN
CONTRAST, THE COLDEST DAY WAS THE 10TH. THE HIGH TEMPERATURE WAS
ONLY 29, A DAILY RECORD FOR COLDEST MAXIMUM TEMPERATURE ON THAT
DATE, AND THE LOW WAS 19 FOR AN AVERAGE TEMPERATURE OF 24. THIS WAS
19 DEGREES BELOW NORMAL.

THE AVERAGE MONTHLY TEMPERATURE WAS 33.9, 6.8 DEGREES BELOW NORMAL.
THIS RANKED AS THE 6TH COLDEST NOVEMBER ON RECORD. THE AVERAGE HIGH
TEMPERATURE WAS JUST 39.1 WHICH RANKED AS THE FIRST COLDEST AVERAGE
HIGH TEMPERATURE ON RECORD FOR NOVEMBER.

PRECIPITATION FOR THE MONTH WAS 3.09 INCHES, 0.18 INCHES BELOW
NORMAL. THIS RANKED AS THE 78TH DRIEST NOVEMBER ON RECORD. IT MAY
HAVE SEEMED AS IF NOVEMBER WAS A WET MONTH BUT THESE NUMBERS,
COMPARED TO NORMAL, TELL A DIFFERENT STORY. PART OF THE REASON MAY
BE THAT MEASUREABLE PRECIPITATION OCCURRED ON 20 OUT OF 30 DAYS AND
WAS EVENLY DISTRIBUTED THROUGH THE MONTH. THIS CAN BE SEEN BY
LOOKING AT THE LONGEST STRETCH OF DAYS IN A ROW WITH NO
PRECIPITATION OBSERVED, WHICH WAS JUST TWO (THE 7TH AND 8TH). THE
LONGEST STRETCH OF DAYS IN A ROW WITH MEASURABLE PRECIPITATION WAS
7, FROM THE 23RD THROUGH THE 29TH.  THERE WERE TWO DAYS WITH A HALF
INCH OR MORE OF PRECIPITATION AND NO SINGLE DAY HAD MORE THAN 0.76
INCHES DURING THE MONTH.

THE COLD TEMPERATURES AND SLIGHTLY BELOW NORMAL PRECIPITATION DID
ACTUALLY COMBINE TO BRING ABOVE NORMAL SNOWFALL. A TOTAL OF 12.1
INCHES OF SNOW FELL IN NOVEMBER, 7.3 INCHES ABOVE NORMAL. WHILE THIS
SEEMED LIKE A LOT OF SNOW, IT ACTUALLY RANKED AS JUST THE 21ST
SNOWIEST NOVEMBER ON RECORD. IT WAS THE SNOWIEST NOVEMBER SINCE 2014
WHEN 19.1 INCHES WAS MEASURED. A TRACE OR MORE OF SNOW FELL ON 14
DAYS WITH THE GREATEST SINGLE DAY AMOUNT OF 3.4 INCHES FALLING ON
THE 26TH.

OVERALL, IT INDEED WAS A COLD NOVEMBER WITH BELOW NORMAL
PRECIPITATION BUT ABOVE NORMAL SNOWFALL.

$$


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