Year |
Storm Name |
Dates |
States receiving >25% of summer rain |
1958 |
TS
10 |
9/10
- 9/14 |
AZ
CO NM UT |
H
11 |
10/4
- 10/6 |
AZ |
|
1959 |
H
10 |
9/11
- 9/15 |
AZ
CA NV |
1960 |
H
Diana |
8/19
- 8/23 |
AZ
CO |
1962 |
TS
Claudia |
9/22
- 9/26 |
AZ
CA NM NV |
1963 |
TS
Jen-Kath |
9/17
- 9/21 |
AZ
CA NV UT |
1965 |
H
Emily |
9/4
- 9/7 |
UT |
1966 |
H
Kirsten |
9/28
- 10/2 |
- |
1967 |
H
Katrina |
9/1
- 9/5 |
AZ
CA NV |
1968 |
TS
Hyacinth |
8/19
- 8/21 |
AZ |
H
Pauline |
10/2
- 10/5 |
AZ
CA UT |
|
1970 |
TS
Norma |
9/3
- 9/7 |
AZ
CO NM UT |
1971 |
H
Olivia |
9/29
- 10/1 |
AZ
CA CO NM UT |
1972 |
H
Hyacinth |
9/6
- 9/10 |
CA
CO |
H
Joanne |
10/5
- 10/7 |
AZ
CA CO NM UT |
|
1976 |
H
Kathleen |
9/10
- 9/12 |
AZ
CA NV |
H
Liza |
10/1
- 10/3 |
NV
UT |
|
1977 |
H
Doreen |
8/15
- 8/18 |
AZ
CA NV UT |
TS
Glenda |
9/26
- 9/28 |
AZ |
|
H
Heather |
10/6
- 10/8 |
AZ
CA |
|
1982 |
H
Olivia |
9/24
- 9/28 |
CA
NV UT |
1983 |
H
Manuel |
9/18
- 9/20 |
CA |
1984 |
H
Marie |
9/9
- 9/12 |
AZ
CA NV |
H
Norbert |
9/25
- 9/27 |
AZ |
|
1986 |
H
Newton |
9/23
- 9/26 |
AZ
CA CO NV UT |
1989 |
H
Raymond |
10/4
- 10/6 |
AZ
CO NM |
1992 |
H
Lester |
8/21
- 8/25 |
AZ
CA CO NM UT |
1993 |
H
Hilary |
8/26
- 8/30 |
AZ
CACO NM UT |
1995 |
H
Ismael |
9/14
- 9/16 |
NM |
1996 |
H
Fausto |
9/14
- 9/16 |
AZ
UT |
1997 |
H
Nora |
9/24
- 9/27 |
AZ
CA NV |
1998 |
H
Isis |
9/3
- 9/7 |
AZ
CA NV UT |
1999 |
H
Hilary |
9/22
- 9/24 |
AZ
CA |
2003 |
H
Igancio |
8/26
- 8/29 |
AZ
CA NV |
H
Marty |
9/24
- 9/26 |
AZ |
Average
percentage of the southwest