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000
CXUS53 KIWX 011314
CLMSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
814 AM EST MON JAN 01 2024

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

...THE SOUTH BEND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2023

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           59   12/09         MM      MM       57  12/30
                       12/25
LOWEST            20   12/13         MM      MM       -8  12/23
AVG. MAXIMUM    44.7               36.3     8.4     36.3
AVG. MINIMUM    33.9               23.0    10.9     24.6
MEAN            39.3               29.6     9.7
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     1               10.2    -9.2        9
DAYS MIN <= 32    13               25.2   -12.2       20
DAYS MIN <= 0      0                0.9    -0.9        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.50   1965
 MINIMUM        0.60   1943
TOTALS          2.77               2.40    0.37     1.52
DAILY AVG.      0.09               0.08    0.01     0.05
DAYS >= .01       17               14.8     2.2       10
DAYS >= .10        9                6.0     3.0        6
DAYS >= .50        1                1.2    -0.2        0
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.72   12/01 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL          44.6   2000
TOTALS           1.4               13.7   -12.3      8.9
SINCE 7/1        4.9               19.0   -14.1     39.1
SNOWDEPTH AVG.     0                                   1
DAYS >= 1.0        1                4.5    -3.5        3
GREATEST
 SNOW DEPTH        1   12/19
 24 HR TOTAL     1.0   12/18 TO 12/18

DEGREE DAYS
HEATING TOTAL    789               1096    -307     1065
 SINCE 7/1      1886               2404    -518     2196
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       820                723      97     1003
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    32/240    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    46/320    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                6     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      4
HAZE                      5

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

&&

2ND WARMEST DECEMBER, 7TH LEAST SNOWIEST ON RECORD

TEMPERATURES THROUGHOUT DECEMBER 2023 WERE WELL ABOVE AVERAGE. THE
MOST NOTABLE TEMPERATURE DEPARTURES OCCURRED AROUND CHRISTMAS; THERE
WAS A 3 DAY STRETCH OF HIGHS IN THE 50S WITH THE DAILY AVERAGE
TEMPERATURE EACH DAY EXCEEDING 15-20 DEGREES ABOVE NORMAL. OVERALL,
30 OF 31 DAYS THIS MONTH WERE ABOVE AVERAGE! THE AVERAGE TEMPERATURE
FOR THE MONTH WAS 39.3 DEGREES, WHICH IS AN ASTOUNDING 9.7 DEGREES
ABOVE NORMAL! DECEMBER 2023 WAS THE 2ND WARMEST DECEMBER ON RECORD
AND THE WARMEST SINCE 2015. RECORDS BEGAN IN 1893.

PRECIPITATION WAS NEAR NORMAL IN SOUTH BEND THROUGHOUT DECEMBER. THE
HIGHEST DAILY RAINFALL TOTAL WAS 0.72" ON DECEMBER 1ST.
PRECIPITATION TOTALED 2.77" FOR THE MONTH, WHICH IS SLIGHTLY ABOVE
THE AVERAGE OF 2.40". DECEMBER 2023 WAS THE 52ND WETTEST DECEMBER ON
RECORD FOR SOUTH BEND.

MUCH OF THE MONTH`S PRECIPITATION FELL AS RAIN. ONLY TWO DAYS IN
DECEMBER RECORDED MEASURABLE SNOW; 1.0" OF SNOW FELL ON DECEMBER
18TH AND 0.4" ON DECEMBER 31ST. THE TOTAL OF 1.4" OF SNOW FOR THE
MONTH WAS 12.3" BELOW NORMAL. DECEMBER 2023 TIES FOR THE 7TH LEAST
SNOWIEST ON RECORD.

TWO DAILY TEMPERATURE RECORDS WERE BROKEN THIS MONTH. THE DAILY HIGH
TEMPERATURE ON DECEMBER 9TH OF 59 DEGREES BROKE THE PREVIOUS RECORD
OF 58 DEGREES SET BACK IN 1946. ADDITIONALLY, A RECORD WARM MINIMUM
TEMPERATURE OF 46 DEGREES WAS SET ON CHRISTMAS DAY. THIS BREAKS THE
DAILY RECORD OF 40 DEGREES, WHICH WAS SET IN 1982.

JOHNSON

$$