Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KIWX 220033
CLISBN
CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
833 PM EDT THU AUG 21 2025
...................................
...THE SOUTH BEND CLIMATE SUMMARY FOR AUGUST 21 2025...
VALID TODAY AS OF 0800 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 400 PM 100 1916 81 -4 76
MINIMUM 58 258 AM 43 1940 60 -2 48
1950
AVERAGE 68 70 -2 62
PRECIPITATION (IN)
TODAY 0.00 3.46 1966 0.12 -0.12 0.00
MONTH TO DATE 3.24 2.78 0.46 0.82
SINCE JUN 1 11.29 10.60 0.69 10.36
SINCE JAN 1 23.73 25.61 -1.88 27.77
DEGREE DAYS
HEATING
TODAY 0 0 0 3
MONTH TO DATE 0 0 0 5
SINCE JUN 1 19 51 -32 25
SINCE JUL 1 0 7 -7 8
COOLING
TODAY 3 6 -3 0
MONTH TO DATE 197 137 60 150
SINCE JUN 1 802 529 273 638
SINCE JAN 1 837 585 252 699
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 60 300 PM
AVERAGE 80
..........................................................
THE SOUTH BEND CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 100 1936
MINIMUM TEMPERATURE (F) 60 45 1907
1923
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 700 AM EDT SUNSET 836 PM EDT
AUGUST 22 2025........SUNRISE 701 AM EDT SUNSET 834 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$