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 September 2019. For more information, please see Climatological Rankings.


Oklahoma

Precipitation Rankings, May 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
May 1978
1-Month
6.98"
(177.29mm)
4.84"
(122.94mm)
2.14"
(54.35mm)
106th Driest Driest since: 1977 1988
20th Wettest Wettest since: 1957 2015
Apr–May 1978
2-Month
9.14"
(232.16mm)
8.25"
(209.55mm)
0.89"
(22.61mm)
88th Driest Driest since: 1975 2005
38th Wettest Wettest since: 1977 2015
Mar–May 1978
3-Month
11.27"
(286.26mm)
10.73"
(272.54mm)
0.54"
(13.72mm)
82nd Driest Driest since: 1974 2005
44th Wettest Wettest since: 1977 1957
Feb–May 1978
4-Month
13.67"
(347.22mm)
12.35"
(313.69mm)
1.32"
(33.53mm)
87th Driest Driest since: 1976 1895
39th Wettest Wettest since: 1977 1957
Jan–May 1978
5-Month
14.69"
(373.13mm)
13.78"
(350.01mm)
0.91"
(23.12mm)
82nd Driest Driest since: 1976 1895
44th Wettest Wettest since: 1977 1957
Dec 1977–May 1978
6-Month
15.22"
(386.59mm)
15.49"
(393.45mm)
-0.27"
(-6.86mm)
62nd Driest Driest since: 1976 1963
63rd Wettest Wettest since: 1977 1957
Ties: 1989
Nov 1977–May 1978
7-Month
17.18"
(436.37mm)
17.68"
(449.07mm)
-0.50"
(-12.70mm)
64th Driest Driest since: 1977 1956
61st Wettest Wettest since: 1975 1957
Oct 1977–May 1978
8-Month
18.40"
(467.36mm)
20.64"
(524.26mm)
-2.24"
(-56.90mm)
41st Driest Driest since: 1976 1996
84th Wettest Wettest since: 1977 2019
Sep 1977–May 1978
9-Month
21.40"
(543.56mm)
24.11"
(612.39mm)
-2.71"
(-68.83mm)
36th Driest Driest since: 1976 1911
89th Wettest Wettest since: 1977 2019
Aug 1977–May 1978
10-Month
26.11"
(663.19mm)
26.97"
(685.04mm)
-0.86"
(-21.85mm)
62nd Driest Driest since: 1977 1911
63rd Wettest Wettest since: 1975 2019
Jul 1977–May 1978
11-Month
28.70"
(728.98mm)
29.84"
(757.94mm)
-1.14"
(-28.96mm)
55th Driest Driest since: 1977 1917
70th Wettest Wettest since: 1975 2019
Jun 1977–May 1978
12-Month
31.18"
(791.97mm)
33.81"
(858.77mm)
-2.63"
(-66.80mm)
42nd Driest Driest since: 1977 1911
83rd Wettest Wettest since: 1976 2019
Dec 1976–May 1978
18-Month
47.38"
(1,203.45mm)
49.27"
(1,251.46mm)
-1.89"
(-48.01mm)
50th Driest Driest since: 1977 1911
74th Wettest Wettest since: 1976 2016
Jun 1976–May 1978
24-Month
60.48"
(1,536.19mm)
67.62"
(1,717.55mm)
-7.14"
(-181.36mm)
23rd Driest Driest since: 1971 1911
101st Wettest Wettest since: 1977 2016
Jun 1975–May 1978
36-Month
92.18"
(2,341.37mm)
101.36"
(2,574.54mm)
-9.18"
(-233.17mm)
26th Driest Driest since: 1972 1955
97th Wettest Wettest since: 1977 2017
Jun 1974–May 1978
48-Month
135.86"
(3,450.84mm)
135.03"
(3,429.76mm)
0.83"
(21.08mm)
68th Driest Driest since: 1973 1956
54th Wettest Wettest since: 1977 1993
Jun 1973–May 1978
60-Month
175.23"
(4,450.84mm)
168.55"
(4,281.17mm)
6.68"
(169.67mm)
78th Driest Driest since: 1974 1956
43rd Wettest Wettest since: 1977 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/