914
CXUS53 KIWX 011349
CLMSBN
CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
949 AM EDT THU MAY 01 2025
...............................
..THE SOUTH BEND CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 91 04/30/1942
LOW 11 04/08/1972
HIGHEST 83 04/24 MM MM 80 04/27
LOWEST 22 04/01 MM MM 26 04/06
AVG. MAXIMUM 61.4 59.0 2.4 62.5
AVG. MINIMUM 38.0 37.1 0.9 42.3
MEAN 49.7 48.1 1.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 8 8.9 -0.9 4
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.20 1947
MINIMUM 0.50 1971
TOTALS 2.56 3.49 -0.93 4.27
DAILY AVG. 0.09 0.12 -0.03 0.14
DAYS >= .01 9 13.4 -4.4 16
DAYS >= .10 6 7.4 -1.4 11
DAYS >= .50 1 2.4 -1.4 3
DAYS >= 1.00 1 0.6 0.4 1
GREATEST
24 HR. TOTAL 1.41 04/02 TO 04/02
SNOWFALL (INCHES)
RECORDS
TOTAL 20.0 1920
TOTALS T 1.0 -1.0 T
SINCE 7/1 38.1 64.5 -26.4 30.3
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.3 -0.3 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL TR 04/07 TO 04/07
04/09 TO 04/09
DEGREE DAYS
HEATING TOTAL 460 514 -54 379
SINCE 7/1 5348 6127 -779 4858
COOLING TOTAL 5 6 -1 10
SINCE 1/1 5 8 -3 10
............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.5
HIGHEST WIND SPEED/DIRECTION 35/310 DATE 04/15
HIGHEST GUST SPEED/DIRECTION 50/320 DATE 04/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.41
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
SOMEWHAT MILD WITH BELOW NORMAL PRECIPITATION.
SEVERE THUNDERSTORMS ON THE SECOND SPAWNED EIGHT TORNADOES ACROSS
INDIANA, SOUTHERN MICHIGAN AND NORTHWEST OHIO. THUNDERSTORM WIND
GUSTS IN EXCESS OF 60 MPH WERE COMMON, DOWNING TREES AND POWERLINES
AS WELL. THIS WAS ALSO WHEN 1.41 INCHES OF RAIN WAS RECORDED AT
SOUTH BEND; A NEW RECORD SURPASSING THE PREVIOUS TOTAL OF 1.07
INCHES IN 1975. A PROGRESSIVE WEATHER PATTERN BROUGHT FREQUENT RAIN
(AND EVEN SNOW) CHANCES EARLY ON IN APRIL ALONG WITH LARGE
TEMPERATURE SWINGS AS IS TYPICAL FOR SPRING IN THE MIDWEST.
TEMPERATURES TENDED TO BE BELOW NORMAL IN THE FIRST HALF OF THE
MONTH FOLLOWED BY A NOTABLE WARM UP IN THE FINAL TEN DAYS. THREE
DAYS THIS MONTH RECORDED A TEMPERATURE OF 80 OR WARMER; A COMMON
OCCURRENCE OVER THE PAST SEVERAL YEARS.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 49.7 DEGREES WHICH IS 1.6
DEGREES ABOVE NORMAL AND RANKS AS THE 45TH WARMEST ON RECORD.
PRECIPITATION TOTALED 2.56 INCHES WHICH IS 0.93 INCHES BELOW NORMAL
AND RANKS AS THE 47TH DRIEST ON RECORD. A TRACE OF SNOW WAS RECORDED
WHICH IS 1 INCH BELOW NORMAL.
BROWN
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