Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
373
CXUS53 KIWX 011515
CLSSBN
CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1015 AM EST SUN DEC 01 2024
...................................
...THE SOUTH BEND CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2024 TO 11/30/2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2024
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 92 09/21 MM MM 93
LOWEST 15 11/30 MM MM 15
AVG. MAXIMUM 67.1 61.3 5.8 63.7
AVG. MINIMUM 46.4 42.3 4.1 44.9
MEAN 56.7 51.8 4.9
DAYS MAX >= 90 3 1.6 1.4 3
DAYS MAX <= 32 2 2.4 -0.4 2
DAYS MIN <= 32 8 18.3 -10.3 15
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.07 2008
MINIMUM 3.23 1956
TOTALS 8.21 9.99 -1.78 8.48
DAILY AVG. 0.09 0.11 -0.02 0.09
DAYS >= .01 26 33.7 -7.7 33
DAYS >= .10 18 19.4 -1.4 20
DAYS >= .50 5 6.2 -1.2 5
DAYS >= 1.00 2 2.2 -0.2 2
GREATEST
24 HR. TOTAL 1.79
SNOWFALL (INCHES)
RECORDS
TOTAL 30.6 1977
24 HR TOTAL 6.5 11/13/2022 TO 11/13/2022
10/18/2022 TO 10/18/2022
TOTALS 2.9 5.3 -2.4 3.5
SINCE 7/1 2.9 5.3 -2.4 3.5
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 5 3.8 1.2 5
DAYS >= 1.0 1 1.7 -0.7 3
GREATEST
SNOW DEPTH 1 11/29 1
11/30
24 HR TOTAL 1.9 11/21 TO 11/21
DEGREE DAYS
HEATING TOTAL 873 1287 -414 1094
SINCE 7/1 881 1309 -428 1097
COOLING TOTAL 144 86 58 142
SINCE 1/1 958 723 235 820
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 36/300 DATE 10/13
HIGHEST GUST SPEED/DIRECTION 50/290 DATE 10/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.38
NUMBER OF DAYS FAIR 49
NUMBER OF DAYS PC 22
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 10 RAIN 14
LIGHT RAIN 34 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 4 SLEET 0
FOG 36 FOG W/VIS <= 1/4 MILE 8
HAZE 14
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
TOP 5 WARMEST FALL ON RECORD - SOUTH BEND
AMID THE 15TH WARMEST SEPTEMBER, 20TH WARMEST OCTOBER, AND 11TH
WARMEST NOVEMBER ON RECORD, AUTUMN 2024 WILL GO IN THE RECORD BOOKS
AS THE 3RD WARMEST ON RECORD. THE AVERAGE TEMPERATURE OF 56.7
DEGREES IS 4.9 DEGREES ABOVE NORMAL. THIS IS THE WARMEST FALL SINCE
1963.
PRECIPITATION WAS 1.78 INCHES BELOW NORMAL, TOTALING 8.21 INCHES
FROM SEPTEMBER THROUGH NOVEMBER. DROUGHT CONDITIONS STEADILY
WORSENED SEPTEMBER AND INTO OCTOBER BUT GRADUALLY IMPROVED THROUGH
NOVEMBER IN AND AROUND SOUTH BEND. DROUGHT CONDITIONS PEAKED IN LATE-
OCTOBER WHEN NEARLY 78% OF THE NORTHERN INDIANA FORECAST AREA WAS
EXPERIENCING SEVERE DROUGHT OR WORSE. FIELD FIRES AND DUSTY
CONDITIONS WERE REPORTED DURING HARVEST BUT CROP CONDITIONS WERE
OVERALL REPORTED AS FAVORABLE. OVERALL, AUTUMN 2024 TIES FOR THE
47TH DRIEST FALL ON RECORD AND IS THE DRIEST SINCE 2020. THE HIGHEST
SINGLE DAY PRECIPITATION TOTAL WAS 1.79 INCHES, WHICH FELL ON
SEPTEMBER 24TH.
2.9 INCHES OF SNOW WAS RECORDED WHICH IS 2.4 INCHES BELOW NORMAL.
AUTUMN 2024 RANKS AS THE 43RD LEAST SNOWY FALL ON RECORD. THE
HIGHEST SINGLE DAY SNOWFALL TOTAL WAS 1.9 INCHES, WHICH FELL ON
NOVEMBER 21ST.
A NUMBER OF TEMPERATURE RECORDS WERE SET THIS FALL WHICH CAN BE
FOUND IN THE MONTH-BY-MONTH SUMMARY BELOW.
...SEPTEMBER 2024...
THE NEED FOR RAIN WAS STARTING TO BECOME DIRE AS ON SEPTEMBER 19TH,
IT HAS BEEN 22 DAYS SINCE SOUTH BEND HAD MEASURABLE RAINFALL. THIS
WAS THE 13TH LONGEST STRETCH (TIED WITH 1999 AND OTHERS) WITHOUT
RAIN ON RECORD. LAWNS WENT DORMANT, CREEKS, STREAMS, AND PONDS WERE
VERY LOW, CROPS DRIED DOWN QUICKLY, AND SOME FIELD FIRES WERE
REPORTED. DROUGHT CONDITIONS, AS REPORTED BY THE US DROUGHT MONITOR,
WORSENED RAPIDLY DURING THIS TIME. AT THE END OF AUGUST, ONLY 13% OF
THE FORECAST AREA WAS DEEMED TO BE EXPERIENCING "MODERATE DROUGHT"
CONDITIONS. BY SEPTEMBER 17TH, THE NUMBER BALLOONED TO NEARLY 71% OF
THE AREA. A PORTION OF NORTHWEST OHIO AND NORTHEAST INDIANA WAS
WORSE OFF, WITH "SEVERE DROUGHT". MUCH NEEDED RAIN SOON FOLLOWED.
THE STAGNANT UPPER-LEVEL RIDGE WHICH WAS PARKED OVER THE EASTERN
GREAT LAKES WAS FINALLY DISPLACED AND 0.09" OF RAIN WAS MEASURED ON
THE 20TH. THE DAYS THAT FOLLOWED WERE VERY ACTIVE WITH NOT ONLY
RAIN, BUT HAZARDOUS WEATHER IN THE FORM OF MICROBURSTS AND TORNADOES
AS WELL. 3.17 INCHES OF RAIN FELL FROM THE 22ND THROUGH 25TH. A NEW
DAILY RAINFALL RECORD WAS SET ON THE 24TH AS 1.79 INCHES BROKE THE
RECORD OF 1.77 INCHES IN 1945. TO FINISH OFF THE MONTH, THE REMNANTS
OF HURRICANE HELENE ARRIVED OVER THE MIDWEST BRINGING ADDITIONAL
DROUGHT RELIEF.
DURING THAT STRETCH OF DRY WEATHER, HIGH TEMPERATURES IN THE 80S AND
EVEN 90 WERE COMMON. SOUTH BEND RECORDED THREE 90-DEGREE DAYS (SAME
AS 2023 AND 2021) AND AN IMPRESSIVE 15 DAYS WITH A HIGH OF 80
DEGREES OR WARMER (TIES 2022 AND 2021). THESE UNSEASONABLY WARM
TEMPERATURES WERE IN CONTRAST TO SEPTEMBER 7TH AND 8TH WHEN THE
AVERAGE TEMPERATURE DEPARTURE WAS 10 TO 11 DEGREES BELOW NORMAL
(HIGHS IN THE 60S AND LOWS IN THE 40S). DESPITE THESE UNSEASONABLE
TEMPERATURES, NO RECORDS WERE SET.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 68.1 DEGREES. THIS IS 4.4
DEGREES ABOVE NORMAL AND RANKS AS THE 15TH WARMEST ON RECORD.
PRECIPITATION TOTALED 3.42 INCHES WHICH IS 0.02 INCHES BELOW NORMAL.
...OCTOBER 2024...
WARM AND DRY CONDITIONS THROUGH THE MONTH RESULTED IN WORSENING
DROUGHT CONDITIONS ACROSS THE REGION. ON THE OCTOBER 1ST US DROUGHT
MONITOR, ABOUT 8.5% OF THE NORTHERN INDIANA FORECAST AREA WAS UNDER
A SEVERE DROUGHT (D2) OR WORSE. BY OCTOBER 29TH, THIS VALUE
BALLOONED TO 77.9%. FALL HARVEST YIELDS HAVE GENERALLY BEEN GOOD
ACCORDING TO USDA CROP REPORTS, THOUGH FIELD FIRES HAVE BEEN
PROBLEMATIC AND A LACK OF RAIN HAS NEGATIVELY IMPACTED THE
GERMINATION OF WINTER WHEAT. THIS WAS THE DRIEST OCTOBER SINCE 2015
WITH ONLY FIVE DAYS OF MEASURABLE RAINFALL. THE OBSERVED MOTHLY
TOTAL OF 1.67 INCHES IS 2.05 INCHES BELOW NORMAL. OCTOBER 2024 WAS
THE 31ST DRIEST OCTOBER SINCE RECORDS BEGAN IN 1893.
NO SNOW WAS RECORDED THIS MONTH, IN CONTRAST TO 1.4 INCHES THAT WAS
OBSERVED IN OCTOBER 2023. OCTOBER USUALLY AVERAGES 0.2 INCHES OF
SNOW IN SOUTH BEND.
A TASTE OF FALL ARRIVED MID-MONTH, WHICH WAS ALSO WHEN THE FIRST
FROST WAS OBSERVED ACROSS MANY OUTLYING AREAS. THIS IS CONSISTENT
WITH THE TYPICAL FIRST FROST DATE FOR THE AREA. HEAT SOON FOLLOWED
WITH HIGHS WELL INTO THE 70S AND EVEN 80 DEGREES (80 ON THE 21ST).
THEN, 80S RETURNED AT THE END OF THE MONTH, INCLUDING A RECORD HIGH
OF 81 ON THE 29TH (PREVIOUS RECORD 79 IN 1999). A RECORD WARM LOW
WAS ALSO SET WITH A LOW OF 67 ON THE 30TH (PREVIOUS RECORD WARM LOW
WAS 64 IN 1900). SOUTH WAS JUST 2 DAYS SHY OF THE LATEST 80-DEGREE
DAY ON RECORD IN THE CALENDAR YEAR, WHICH OCCURRED ON NOVEMBER 1ST,
1950.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 56.8 DEGREES WHICH IS 4.8
DEGREES ABOVE NORMAL. THIS RANKS AS THE 20TH WARMEST OCTOBER ON
RECORD AND THE WARMEST SINCE 2021.
...NOVEMBER 2024...
MUCH OF NOVEMBER FEATURED WARMER THAN NORMAL TEMPERATURES, WITH A
COLD SNAP RIGHT AT THE END OF THE MONTH AFTER THANKSGIVING. QUITE A
DRAMATIC SHIFT IN TEMPERATURES WAS OBSERVED FROM THE BEGINNING OF
THE MONTH TO THE END; THE WARMEST TEMPERATURE IN NOVEMBER WAS THE 69
DEGREE HIGH TEMPERATURE ON THE 5TH AND THE COLDEST TEMPERATURE WAS
THE 15 DEGREE LOW THAT OCCURRED ON NOVEMBER 30TH. 23 DAYS IN
NOVEMBER HAD ABOVE NORMAL TEMPERATURES, WHICH LED TO THE AVERAGE
TEMPERATURE IN NOVEMBER BEING WELL ABOVE NORMAL. THE AVERAGE
TEMPERATURE OF 45.3 DEGREES IS 5.5 DEGREES ABOVE NORMAL. THIS IS THE
11TH WARMEST NOVEMBER ON RECORD AND THE WARMEST SINCE 2020.
DESPITE A DRIER THAN NORMAL FALL, THERE WAS A PATTERN SHIFT IN
NOVEMBER THAT LED TO MORE ACTIVE WEATHER TOWARDS THE MIDDLE TO END
OF THE MONTH. SOUTH BEND RECORDED 3.07 INCHES OF PRECIPITATION THIS
MONTH WHICH IS 0.29 INCHES ABOVE NORMAL. THIS TIES WITH 2000 AS THE
48TH WETTEST NOVEMBER ON RECORD. THE HIGHEST SINGLE DAY
PRECIPITATION TOTAL WAS 0.59 INCHES ON NOVEMBER 4TH.
WHILE THE LAKE EFFECT SNOW WAS NOT AS PROLIFIC AS IT WAS 2 YEARS
AGO, SOUTH BEND DID MANAGE TO PICK UP 2.9 INCHES OF SNOW THIS MONTH.
THIS IS 2.2 INCHES BELOW NORMAL AND RANKS AS THE 47TH LEAST SNOWY
NOVEMBER ON RECORD. A MAJORITY OF THE MONTH`S SNOWFALL FELL ON
NOVEMBER 21ST, WHICH HAD 1.9 INCHES.
THERE WERE TWO NEW RECORD WARM LOW TEMPERATURES SET THIS MONTH ON
NOVEMBER 4TH AND 5TH. ON NOVEMBER 4TH, THE LOW TEMPERATURE OF 62
DEGREES TIED THE PREVIOUS DAILY RECORD WARM LOW OF 62 DEGREES, SET
IN 1994. ON NOVEMBER 5TH, THE LOW TEMPERATURE OF 60 DEGREES BROKE
THE PREVIOUS DAILY RECORD LOW TEMPERATURE OF 58 DEGREES, SET IN
1994. IN ADDITION, SOUTH BEND TIED THE ALL-TIME NOVEMBER RECORD WARM
LOW OF 62 DEGREES ON NOVEMBER 4TH, WHICH HAD PREVIOUSLY BEEN SET IN
1902, 1924, 1958, 1975, AND 1994.
BROWN/JOHNSON/FISHER