Climatological Report (Monthly)
Issued by NWS Tuscon, AZ

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955
CXUS55 KTWC 011549
CLMTUS

CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ
849 AM MST TUE JUN 01 2021

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

...THE TUCSON AZ CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            111   05/29/1910
 LOW              32   05/03/1899
HIGHEST          100   05/13        101      -1
                       05/28
LOWEST            50   05/23         47       3
AVG. MAXIMUM    94.0               91.8     2.2
AVG. MINIMUM    62.5               61.8     0.7
MEAN            78.3               76.8     1.5
DAYS MAX >= 90    25               21.6     3.4       27
DAYS MAX >= 100    2                                  10
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN >= 80     0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.34   1931
 MINIMUM        0.00   2016
TOTALS             T               0.20   -0.20     0.01
DAILY AVG.         T               0.01   -0.01     0.00
DAYS >= .01        0                1.4    -1.4        1
DAYS >= .10        0                0.7    -0.7        0
DAYS >= .50        0                0.1    -0.1        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL      T   05/21 TO 05/21               0.01


DEGREE DAYS
HEATING TOTAL      0                  4      -4
 SINCE 7/1      1198               1327    -129
COOLING TOTAL    418                370      48
 SINCE 1/1       691                555     136
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  05/21
HIGHEST GUST SPEED/DIRECTION    45/240    DATE  05/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.02
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     14

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SLEET                      0
FOG                       0     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$



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