Climatological Report (Daily)
Issued by NWS Tuscon, AZ
Issued by NWS Tuscon, AZ
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CDUS45 KTWC 180739
CLITUS
CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
1239 AM MST FRI SEP 18 2026
...................................
...THE TUCSON AZ CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 92 459 PM 105 1956 95 -3 94
MINIMUM 69 140 AM 52 1899 70 -1 75
1906
1915
AVERAGE 81 83 -2 85
PRECIPITATION (IN)
YESTERDAY 0.03 1.33 1991 0.05 -0.02 0.02
MONTH TO DATE 0.42 0.90 -0.48 0.09
SINCE OCT 1 11.37 10.19 1.18 3.42
SINCE JAN 1 7.89 8.00 -0.11 2.99
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 16 18 -2 20
MONTH TO DATE 349 333 16 367
SINCE SEP 1 349 333 16 367
SINCE JAN 1 3498 2922 576 3315
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 200 AM
LOWEST 28 500 PM
AVERAGE 63
..........................................................
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 2026.....SUNRISE 610 AM MST SUNSET 625 PM MST
SEPTEMBER 19 2026.....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.
$$