|
|
Monsoon
statistics for
Tucson (1895-2008)
|
Top
10 Wettest Monsoon |
Top
10 Driest Monsoon |
1)
13.84"/1964 |
6)
10.20"/2006 |
1)
1.59"/1924 |
6)
2.50"/1902 |
2)
13.08"/1955 |
7)
9.94"/1984 |
2)
2.33"/1973 |
7)
2.58"/1994 |
3)
11.04"/1921 |
8)
9.85"/1990 |
3)
2.40"/1989 |
8)
2.75"/1913 |
4)
10.50"/1983 |
9)
9.43"/1966 |
4)
2.42"/2004 |
9)
2.79"/1918 |
5)
10.21"/1919 |
10)
8.54"/1954 |
5)
2.45"/1900 |
10)
2.81"/2001 |
|
YEAR |
Month
by month rainfall
|
June
(15-30) |
July |
August |
September |
Total |
AVG |
0.24" |
2.07" |
2.30" |
1.45" |
6.06" |
2008 |
0.16" |
3.42" |
1.70" |
0.24" |
5.52" |
2007 |
0.00" |
5.22" |
0.90" |
0.45" |
6.57" |
2006 |
0.19" |
5.40" |
3.01" |
1.60" |
10.20" |
2005 |
0.01" |
0.72" |
4.52" |
0.05" |
5.30" |
2004 |
0.00" |
0.86" |
0.95" |
0.61" |
2.42" |
2003 |
0.00" |
2.50" |
2.04" |
2.16" |
6.70" |
2002 |
0.00" |
2.47" |
1.63" |
1.69" |
5.79" |
2001 |
0.54" |
1.09" |
0.85" |
0.33" |
2.81" |
2000
|
1.56" |
1.59" |
1.70" |
0.02" |
4.87" |
1999
|
0.16" |
4.15" |
3.05" |
0.97" |
8.33" |
1998
|
0.00" |
4.06" |
1.70" |
1.10" |
6.86" |
1997
|
0.00" |
0.51" |
2.32" |
1.43" |
4.26" |
1996
|
0.00" |
1.88" |
1.87" |
3.68" |
7.43" |
1995
|
0.00" |
0.04" |
3.71" |
2.29" |
6.04" |
1994
|
0.26" |
0.41" |
0.45" |
1.46" |
2.58" |
1993
|
0.02" |
0.26" |
4.93" |
0.46"
|
5.67" |
1992
|
0.00" |
0.93" |
4.55" |
0.94" |
6.42" |
1991
|
0.00" |
0.44" |
2.17" |
1.54" |
4.15" |
1990
|
0.07" |
5.45" |
2.70" |
1.63" |
9.85" |
1989
|
0.06" |
1.42" |
0.90" |
0.02" |
2.40" |
1988
|
0.15" |
1.69" |
3.64" |
0.80" |
6.28" |
1987
|
0.00" |
0.37" |
2.79" |
2.30" |
5.46" |
1986
|
0.01" |
1.82" |
3.56" |
0.31" |
5.70" |
1985
|
0.02" |
3.14" |
1.97" |
1.13" |
6.26" |
1984
|
1.02' |
2.92" |
4.19" |
1.81" |
9.94" |
1983
|
0.00" |
1.98" |
4.24" |
4.28" |
10.50" |
1982
|
0.13" |
2.13" |
2.51" |
2.69" |
7.46" |
1981
|
0.16" |
6.17" |
0.80" |
1.10" |
8.23" |
1980
|
0.23" |
1.78" |
1.95" |
2.93" |
6.89" |
1979
|
0.03" |
2.04" |
2.60" |
0.02" |
4.69" |
1978
|
0.22" |
0.78" |
1.59" |
1.66" |
4.25" |
1977
|
0.06" |
0.76" |
0.80" |
1.41" |
3.03" |
1976
|
0.10" |
1.18" |
0.23" |
1.68" |
3.19" |
1975
|
0.00" |
2.38" |
0.32" |
1.26" |
3.96" |
1974
|
0.01' |
4.44" |
1.04" |
1.69" |
7.18" |
1973
|
0.05" |
1.74" |
0.54" |
Trace |
2.33" |
1972
|
0.50" |
3.49" |
2.93" |
1.09' |
8.01" |
1971
|
0.00" |
2.18" |
3.29" |
1.75" |
7.22" |
1970
|
0.33" |
2.53" |
1.43" |
3.58" |
7.87" |
1969
|
0.00" |
1.51" |
2.57" |
1.31" |
5.39" |
1968
|
0.00" |
1.97" |
1.12" |
Trace |
3.09" |
1967
|
0.36" |
2.72" |
2.00" |
1.35" |
6.43" |
1966
|
0.02" |
2.57" |
3.31" |
3.53" |
9.43" |
1965
|
0.00" |
2.13" |
1.12" |
0.82" |
4.07" |
1964
|
0.01" |
4.82" |
3.90" |
5.11" |
13.84" |
1963
|
0.00" |
1.66" |
2.86" |
1.45" |
5.97" |
1962
|
0.25" |
1.38" |
0.48" |
2.86" |
4.97" |
1961 |
0.26" |
1.81" |
4.28" |
0.51" |
6.86" |
1960 |
0.00" |
0.73" |
2.09" |
1.20" |
4.02" |
1959 |
0.00" |
3.92" |
2.79" |
Trace |
6.71" |
1958 |
0.51" |
5.20" |
0.91" |
0.21" |
6.83" |
1957 |
0.09" |
1.25" |
3.92" |
Trace |
5.26" |
1956 |
0.36" |
2.77" |
1.12" |
0.37" |
4.62" |
1955 |
0.00" |
5.10" |
7.93" |
0.05" |
13.08" |
1954 |
1.46" |
2.03" |
2.00" |
3.05" |
8.54" |
1953 |
0.00" |
2.87" |
0.46" |
Trace |
3.33" |
1952 |
0.00" |
3.25" |
1.56" |
0.80" |
5.61" |
1951 |
0.00" |
1.49" |
2.66" |
0.34" |
4.49" |
1950 |
1.24" |
3.72" |
0.86" |
1.15" |
6.97" |
1949 |
0.02" |
1.42" |
1.92" |
0.81" |
4.17" |
1948 |
Trace |
3.02" |
1.08" |
1.11" |
5.21" |
1947 |
0.05" |
0.27" |
2.24" |
0.47" |
3.03" |
1946 |
0.04" |
2.44" |
3.61" |
2.26" |
8.35" |
1945 |
0.00" |
2.84" |
4.31" |
0.14" |
7.29" |
1944 |
0.04" |
1.77" |
1.78" |
2.08" |
5.67" |
1943 |
0.05" |
1.09" |
3.04" |
3.59" |
7.77" |
1942 |
0.00" |
0.68" |
0.90" |
1.78" |
3.36" |
1941 |
Trace |
2.51" |
1.99" |
1.20" |
5.70" |
1940 |
1.14" |
0.84" |
2.84" |
2.72" |
7.54" |
1939 |
Trace |
0.61" |
1.24" |
1.53" |
3.38" |
1938 |
2.07" |
0.78" |
2.37" |
0.50" |
5.72" |
1937 |
Trace |
2.06" |
1.29" |
1.43" |
4.78" |
1936 |
0.06" |
2.82" |
3.03" |
1.51" |
7.42" |
1935 |
Trace |
0.87" |
5.61" |
0.88" |
7.36" |
1934 |
0.14" |
1.16" |
2.41" |
1.07" |
4.78" |
1933 |
0.10" |
1.60" |
2.23" |
1.62" |
5.55" |
1932 |
0.13" |
2.58" |
1.61" |
0.23" |
4.55" |
1931 |
0.48" |
1.07" |
3.96" |
0.94" |
6.45" |
1930 |
1.12" |
1.03" |
1.47" |
0.37" |
3.99" |
1929 |
0.10" |
1.94" |
1.62" |
4.28" |
7.94" |
1928 |
0.09" |
1.78" |
2.28" |
0.36" |
4.51" |
1927 |
0.04" |
1.33" |
1.51" |
2.34" |
5.22" |
1926 |
0.01" |
0.70" |
0.10" |
2.82" |
3.63" |
1925 |
0.86" |
1.20" |
1.52" |
2.96" |
6.53" |
1924 |
0.17" |
1.15" |
0.08" |
0.19" |
1.59" |
1923 |
0.00" |
3.00" |
4.06" |
0.23" |
7.29" |
1922 |
0.44" |
1.73" |
1.18" |
1.73" |
5.08" |
1921 |
0.00" |
6.24" |
1.79" |
3.01" |
11.04" |
1920 |
0.34" |
0.25" |
2.84" |
0.74" |
4.17" |
1919 |
0.32" |
5.53" |
1.82" |
2.54" |
10.21" |
1918 |
0.34" |
1.54" |
0.78" |
0.13" |
2.79" |
1917 |
0.00" |
3.90" |
2.31" |
0.88" |
7.09" |
1916 |
0.07" |
2.03" |
2.26" |
1.29" |
5.65" |
1915 |
0.00" |
2.39" |
1.51" |
0.92" |
4.82" |
1914 |
0.44" |
2.94" |
3.45" |
0.40" |
7.23" |
1913 |
0.08" |
1.32" |
1.21" |
0.14" |
2.75" |
1912 |
0.55" |
3.00" |
0.96" |
0.01" |
4.52" |
1911 |
Trace |
1.57" |
2.06" |
2.65" |
6.28" |
1910 |
0.12" |
4.21" |
2.55" |
0.30" |
7.18" |
1909 |
0.54" |
4.04" |
1.36" |
1.25" |
7.19" |
1908 |
Trace |
4.77" |
2.18" |
0.55" |
7.50" |
1907 |
Trace |
4.27" |
3.46" |
0.80" |
8.53" |
1906 |
0.00" |
1.82" |
2.53" |
0.43" |
4.78" |
1905 |
0.01" |
1.10" |
0.56" |
2.84" |
4.51" |
1904 |
0.18" |
1.75" |
2.65" |
0.89" |
5.47" |
1903 |
0.00" |
1.52" |
2.67" |
1.17" |
5.36" |
1902 |
0.19" |
0.42" |
1.31" |
0.58" |
2.50" |
1901 |
0.00" |
2.57" |
1.99" |
0.28" |
4.84" |
1900 |
0.00" |
0.65" |
0.95" |
0.85" |
2.45" |
1899 |
0.68" |
1.87" |
1.82" |
0.03" |
4.40" |
1898 |
0.20" |
3.22" |
3.94" |
0.10" |
7.46" |
1897 |
0.00" |
1.98" |
3.43" |
2.71" |
8.12" |
1896 |
0.19" |
3.45" |
1.25" |
1.13" |
6.02" |
1895 |
0.01" |
0.11" |
4.48" |
0.75" |
5.35" |
|
|
Tucson
Monsoon start date occurrences by date (1949-2007) |
The
monsoon start date is determined when the average daily
|
dewpoint
is
54 degrees or greater for "3" consecutive days. |
The
start date is the first of the "3"
consecutive days. |
|
Dates |
#
occurrences |
Year(s) |
June
17 |
1 |
2000 |
June
18 |
1 |
1967 |
June
19 |
2 |
1994,
1958 |
June
20 |
1 |
1972 |
June
21 |
1 |
1950 |
June
22 |
. |
. |
June
23 |
. |
. |
June
24 |
1 |
1954 |
June
25 |
2 |
1984,
1981 |
June
26 |
1 |
1999 |
June
27 |
2 |
1978,
1962 |
June
28 |
5 |
2006,
1976, 1966, 1959, 1956 |
June
29 |
2 |
1990,
1986 |
June
30 |
3 |
1996,
1993, 1980 |
July
1 |
4 |
1974,
1970, 1961, 1949 |
July
2 |
2 |
1977,
1975 |
July
3 |
6 |
2001,
1998, 1971, 1968, 1963, 1960 |
July
4 |
4 |
1991,
1973, 1953, 1952 |
July
5 |
. |
. |
July
6 |
2 |
1992,
1982 |
July
7 |
4 |
1988,
1983, 1965, 1957 |
July
8 |
5 |
2007,
2004, 1989, 1969, 1964 |
July
9 |
1 |
2002 |
July
10 |
. |
. |
July
11 |
4 |
2003,
1995, 1955, 1951 |
July
12 |
. |
. |
July
13 |
. |
. |
July
14 |
1 |
1985 |
July
15 |
. |
. |
July
16 |
1 |
1979 |
July
17 |
1 |
1997 |
July
18 |
1 |
2005 |
July
19 |
. |
. |
July
20 |
. |
. |
July
21 |
. |
. |
July
22 |
. |
. |
July
23 |
. |
. |
July
24 |
. |
. |
July
25 |
1 |
1987 |
Average
start dates by decade |
1950s |
July
1 |
. |
1960s |
July
2 |
. |
1970s |
July
2 |
. |
1980s |
July
6 |
Latest
start on record (7/25/1987) |
1990s |
July
3 |
. |
2000s |
July
7 |
Earliest
start on record (6/17/2000) |
|
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Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tucson Weather Forecast Office
520 North Park Ave, Suite 304
Tucson, AZ 85719
Tel: (520) 670-6526
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