320
CDUS45 KTWC 180738
CLITUS
CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
1238 AM MST THU SEP 18 2025
...............................
..THE TUCSON AZ CLIMATE SUMMARY FOR SEPTEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 94 312 PM 105 1956 95 -1 92
MINIMUM 75 1159 PM 52 1899 70 5 74
1906
1915
AVERAGE 85 83 2 83
PRECIPITATION (IN)
YESTERDAY 0.02 1.33 1991 0.05 -0.03 0.01
MONTH TO DATE 0.09 0.90 -0.81 0.12
SINCE OCT 1 3.42 10.19 -6.77 13.03
SINCE JAN 1 2.99 8.00 -5.01 11.09
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 18 2 18
MONTH TO DATE 367 333 34 395
SINCE SEP 1 367 333 34 395
SINCE JAN 1 3315 2922 393 3255
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 1100 PM
LOWEST 26 300 PM
AVERAGE 46
......................................................
THE TUCSON AZ CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 95 105 1956
2010
MINIMUM TEMPERATURE (F) 70 53 1906
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 610 AM MST SUNSET 625 PM MST
SEPTEMBER 19 2025.....SUNRISE 610 AM MST SUNSET 624 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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