Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, October 1978

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1978
1-Month
1.54"
(39.12mm)
0.90"
(22.86mm)
0.64"
(16.26mm)
106th Driest Driest since: 1977 1952, 1999
20th Wettest Wettest since: 1974 1972
Ties: 1987
Sep–Oct 1978
2-Month
2.21"
(56.13mm)
2.08"
(52.83mm)
0.13"
(3.30mm)
74th Driest Driest since: 1975 1973
52nd Wettest Wettest since: 1977 1972
Aug–Oct 1978
3-Month
3.52"
(89.41mm)
4.18"
(106.17mm)
-0.66"
(-16.76mm)
44th Driest Driest since: 1975 1973
82nd Wettest Wettest since: 1977 1983
Jul–Oct 1978
4-Month
4.66"
(118.36mm)
5.98"
(151.89mm)
-1.32"
(-33.53mm)
31st Driest Driest since: 1975 1973
95th Wettest Wettest since: 1977 1983
Jun–Oct 1978
5-Month
4.79"
(121.67mm)
6.27"
(159.26mm)
-1.48"
(-37.59mm)
24th Driest Driest since: 1975 2009
102nd Wettest Wettest since: 1977 1983
Ties: 1898, 1905, 1950
May–Oct 1978
6-Month
5.30"
(134.62mm)
6.61"
(167.89mm)
-1.31"
(-33.27mm)
32nd Driest Driest since: 1975 2009
94th Wettest Wettest since: 1977 1983
Ties: 1952
Apr–Oct 1978
7-Month
5.86"
(148.84mm)
7.18"
(182.37mm)
-1.32"
(-33.53mm)
35th Driest Driest since: 1975 1902
91st Wettest Wettest since: 1977 1983
Mar–Oct 1978
8-Month
8.71"
(221.23mm)
8.30"
(210.82mm)
0.41"
(10.41mm)
77th Driest Driest since: 1977 2009
49th Wettest Wettest since: 1976 1983
Feb–Oct 1978
9-Month
11.02"
(279.91mm)
9.45"
(240.03mm)
1.57"
(39.88mm)
111th Driest Driest since: 1977 1956
15th Wettest Wettest since: 1958 1941
Jan–Oct 1978
10-Month
13.94"
(354.08mm)
10.59"
(268.99mm)
3.35"
(85.09mm)
118th Driest Driest since: 1977 2002
8th Wettest Wettest since: 1941 1905
Dec 1977–Oct 1978
11-Month
14.82"
(376.43mm)
11.77"
(298.96mm)
3.05"
(77.47mm)
112th Driest Driest since: 1977 1902
13th Wettest Wettest since: 1941 1941
Nov 1977–Oct 1978
12-Month
15.17"
(385.32mm)
12.63"
(320.80mm)
2.54"
(64.52mm)
105th Driest Driest since: 1977 1902
20th Wettest Wettest since: 1966 1941
May 1977–Oct 1978
18-Month
22.21"
(564.13mm)
19.20"
(487.68mm)
3.01"
(76.45mm)
105th Driest Driest since: 1977 1902
20th Wettest Wettest since: 1958 1941
Nov 1976–Oct 1978
24-Month
25.27"
(641.86mm)
25.22"
(640.59mm)
0.05"
(1.27mm)
80th Driest Driest since: 1977 1902
44th Wettest Wettest since: 1969 1993
Nov 1975–Oct 1978
36-Month
38.01"
(965.45mm)
37.80"
(960.12mm)
0.21"
(5.33mm)
78th Driest Driest since: 1977 1902
45th Wettest Wettest since: 1968 1907
Ties: 1905
Nov 1974–Oct 1978
48-Month
47.42"
(1,204.47mm)
50.30"
(1,277.62mm)
-2.88"
(-73.15mm)
50th Driest Driest since: 1977 1902
72nd Wettest Wettest since: 1971 1908
Nov 1973–Oct 1978
60-Month
58.25"
(1,479.55mm)
62.82"
(1,595.63mm)
-4.57"
(-116.08mm)
43rd Driest Driest since: 1977 1902
78th Wettest Wettest since: 1973 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 22, 2020 from https://www.ncdc.noaa.gov/cag/