Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KPSR 180917
CLIIPL
CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
217 AM MST TUE AUG 18 2026
...................................
...THE IMPERIAL CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1925 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 114 330 PM MM MM MM MM 105
MINIMUM 83 536 AM MM MM MM MM 76
AVERAGE 99 MM MM 91
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM MM MM 0.00
MONTH TO DATE 0.01 0.00 0.01 T
SINCE OCT 1 1.13 T 1.13 0.14
SINCE JAN 1 0.02 T 0.02 0.14
SNOWFALL (IN)
YESTERDAY MM
MONTH TO DATE T
SINCE JUN 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 0 MM MM 0
MONTH TO DATE 0 MM MM 0
SINCE JUN 1 0 MM MM 0
SINCE JUL 1 0 MM MM 0
COOLING
YESTERDAY 34 MM MM 26
MONTH TO DATE 567 MM MM 532
SINCE JUN 1 2315 MM MM 1926
SINCE JAN 1 3525 MM MM 2275
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.3
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 34
LOWEST 12
AVERAGE 23
..........................................................
THE IMPERIAL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) MM MM MM
MINIMUM TEMPERATURE (F) MM MM MM
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 143 PM PST SUNSET 300 AM PST
AUGUST 19 2026........SUNRISE 144 PM PST SUNSET 259 AM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$