Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Arizona

Precipitation Rankings, July 1978

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
July 1978
1-Month
1.14"
(28.96mm)
1.80"
(45.72mm)
-0.66"
(-16.76mm)
28th Driest
Driest since:
1993
101st Wettest
Wettest since:
1919
Ties: 2004
Jun–Jul 1978
2-Month
1.27"
(32.26mm)
2.09"
(53.09mm)
-0.82"
(-20.83mm)
24th Driest
Driest since:
1993
105th Wettest
Wettest since:
1919
Ties: 1942
May–Jul 1978
3-Month
1.78"
(45.21mm)
2.43"
(61.72mm)
-0.65"
(-16.51mm)
29th Driest
Driest since:
1963, 2020
100th Wettest
Wettest since:
1919
Apr–Jul 1978
4-Month
2.34"
(59.44mm)
3.00"
(76.20mm)
-0.66"
(-16.76mm)
33rd Driest
Driest since:
1993
96th Wettest
Wettest since:
1919
Mar–Jul 1978
5-Month
5.19"
(131.83mm)
4.12"
(104.65mm)
1.07"
(27.18mm)
107th Driest
Driest since:
2002
22nd Wettest
Wettest since:
1912
Feb–Jul 1978
6-Month
7.50"
(190.50mm)
5.26"
(133.60mm)
2.24"
(56.90mm)
118th Driest
Driest since:
2002
11th Wettest
Wettest since:
1905
Jan–Jul 1978
7-Month
10.42"
(264.67mm)
6.41"
(162.81mm)
4.01"
(101.86mm)
125th Driest
Driest since:
2002
4th Wettest
Wettest since:
1905
Dec 1977–Jul 1978
8-Month
11.30"
(287.02mm)
7.59"
(192.79mm)
3.71"
(94.23mm)
120th Driest
Driest since:
2002
8th Wettest
Wettest since:
1905
Nov 1977–Jul 1978
9-Month
11.65"
(295.91mm)
8.44"
(214.38mm)
3.21"
(81.53mm)
116th Driest
Driest since:
2002
12th Wettest
Wettest since:
1941
Oct 1977–Jul 1978
10-Month
12.86"
(326.64mm)
9.31"
(236.47mm)
3.55"
(90.17mm)
119th Driest
Driest since:
2002
9th Wettest
Wettest since:
1941
Sep 1977–Jul 1978
11-Month
14.18"
(360.17mm)
10.51"
(266.95mm)
3.67"
(93.22mm)
117th Driest
Driest since:
2002
11th Wettest
Wettest since:
1941
Aug 1977–Jul 1978
12-Month
16.15"
(410.21mm)
12.59"
(319.79mm)
3.56"
(90.42mm)
111th Driest
Driest since:
2002
17th Wettest
Wettest since:
1941
Feb 1977–Jul 1978
18-Month
19.76"
(501.90mm)
17.86"
(453.64mm)
1.90"
(48.26mm)
101st Driest
Driest since:
1900
27th Wettest
Wettest since:
1993
Aug 1976–Jul 1978
24-Month
25.62"
(650.75mm)
25.18"
(639.57mm)
0.44"
(11.18mm)
79th Driest
Driest since:
1900
48th Wettest
Wettest since:
1906
Aug 1975–Jul 1978
36-Month
36.90"
(937.26mm)
37.73"
(958.34mm)
-0.83"
(-21.08mm)
68th Driest
Driest since:
1904
58th Wettest
Wettest since:
1907
Aug 1974–Jul 1978
48-Month
48.60"
(1,234.44mm)
50.23"
(1,275.84mm)
-1.63"
(-41.40mm)
65th Driest
Driest since:
1902
60th Wettest
Wettest since:
1908
Aug 1973–Jul 1978
60-Month
55.93"
(1,420.62mm)
62.77"
(1,594.36mm)
-6.84"
(-173.74mm)
27th Driest
Driest since:
1904
97th Wettest
Wettest since:
1909

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