Climatological Report (Daily)
Issued by NWS Tuscon, AZ

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090
CDUS45 KTWC 180757
CLITUS

CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
1257 AM MST MON AUG 18 2025

...................................

...THE TUCSON AZ CLIMATE SUMMARY FOR AUGUST 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         98    209 PM 109    2020  99     -1      104
  MINIMUM         77    713 AM  60    1938  75      2       80
  AVERAGE         88                        87      1       92

PRECIPITATION (IN)
  YESTERDAY        0.00          1.27 1955   0.06  -0.06      T
  MONTH TO DATE    0.05                      1.15  -1.10     0.95
  SINCE OCT 1      3.27                      8.46  -5.19    12.66
  SINCE JAN 1      2.84                      6.27  -3.43    10.72

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       23                        22      1       27
  MONTH TO DATE  460                       374     86      426
  SINCE JUN 1   1941                      1729    212     1997
  SINCE JAN 1   2606                      2284    322     2534
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     5.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62           600 AM
 LOWEST     26           400 PM
 AVERAGE    44

..........................................................


THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   99       108      2020
 MINIMUM TEMPERATURE (F)   75        61      1918


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   550 AM MST   SUNSET   704 PM MST
AUGUST 19 2025........SUNRISE   551 AM MST   SUNSET   703 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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