Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDTX 172025
CLIMBS
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
425 PM EDT FRI OCT 17 2025
...................................
...THE TRI CITIES MI CLIMATE SUMMARY FOR OCTOBER 17 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 259 PM 84 1947 60 6 63
MINIMUM 46 1233 AM 22 1977 41 5 32
AVERAGE 56 50 6 48
PRECIPITATION (IN)
TODAY T 2.52 1993 0.10 -0.10 0.00
MONTH TO DATE 1.52 1.62 -0.10 1.06
SINCE SEP 1 3.96 4.43 -0.47 1.81
SINCE JAN 1 21.93 26.70 -4.77 20.65
SNOWFALL (IN)
TODAY 0.0 0.3 1943 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 9 15 -6 17
MONTH TO DATE 136 202 -66 178
SINCE SEP 1 198 338 -140 221
SINCE JUL 1 232 366 -134 235
COOLING
TODAY 0 0 0 0
MONTH TO DATE 26 3 23 1
SINCE SEP 1 67 63 4 95
SINCE JAN 1 755 628 127 768
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86
LOWEST 45
AVERAGE 66
..........................................................
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 82 1950
1965
MINIMUM TEMPERATURE (F) 41 20 1948
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 753 AM EDT SUNSET 649 PM EDT
OCTOBER 18 2025.......SUNRISE 754 AM EDT SUNSET 648 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$