151
CDUS45 KTWC 180734
CLITUS
CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
1234 AM MST MON MAY 18 2026
...............................
..THE TUCSON AZ CLIMATE SUMMARY FOR MAY 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 90 MM 103 2003 92 -2 91
MINIMUM 61 MM 44 1911 62 -1 63
AVERAGE 76 77 -1 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.11 1975 0.01 -0.01 0.00
MONTH TO DATE 0.40 0.10 0.30 0.03
SINCE OCT 1 5.99 4.77 1.22 0.99
SINCE JAN 1 2.51 2.58 -0.07 0.56
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 5
SINCE MAR 1 29 182 -153 178
SINCE JUL 1 662 1327 -665 1030
COOLING
YESTERDAY 11 12 -1 12
MONTH TO DATE 215 163 52 177
SINCE MAR 1 685 342 343 428
SINCE JAN 1 720 348 372 439
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 24 600 AM
LOWEST 6 200 PM
AVERAGE 15
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THE TUCSON AZ CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 93 102 2009
MINIMUM TEMPERATURE (F) 62 47 1903
1933
1962
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 524 AM MST SUNSET 717 PM MST
MAY 19 2026...........SUNRISE 524 AM MST SUNSET 717 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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