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.


Oklahoma

Precipitation Rankings, August 1999

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1999
1-Month
1.44"
(36.58mm)
2.85"
(72.39mm)
-1.41"
(-35.81mm)
14th Driest Driest since: 1982 2000
112th Wettest Wettest since: 1998 1915
Jul–Aug 1999
2-Month
2.82"
(71.63mm)
5.69"
(144.53mm)
-2.87"
(-72.90mm)
9th Driest Driest since: 1983 1936
117th Wettest Wettest since: 1998 1950
Jun–Aug 1999
3-Month
9.14"
(232.16mm)
9.71"
(246.63mm)
-0.57"
(-14.47mm)
51st Driest Driest since: 1998 1936
75th Wettest Wettest since: 1997 2007
May–Aug 1999
4-Month
14.59"
(370.59mm)
14.55"
(369.57mm)
0.04"
(1.02mm)
66th Driest Driest since: 1998 1936
60th Wettest Wettest since: 1997 2015
Apr–Aug 1999
5-Month
20.45"
(519.43mm)
17.97"
(456.44mm)
2.48"
(62.99mm)
98th Driest Driest since: 1998 1936
28th Wettest Wettest since: 1997 2015
Ties: 1979
Mar–Aug 1999
6-Month
24.57"
(624.08mm)
20.44"
(519.18mm)
4.13"
(104.90mm)
107th Driest Driest since: 1998 1936
19th Wettest Wettest since: 1995 2015
Feb–Aug 1999
7-Month
25.45"
(646.43mm)
22.06"
(560.32mm)
3.39"
(86.11mm)
94th Driest Driest since: 1998 1936
32nd Wettest Wettest since: 1997 2015
Jan–Aug 1999
8-Month
27.58"
(700.53mm)
23.49"
(596.65mm)
4.09"
(103.88mm)
98th Driest Driest since: 1998 1936
28th Wettest Wettest since: 1995 2015
Dec 1998–Aug 1999
9-Month
29.48"
(748.79mm)
25.20"
(640.08mm)
4.28"
(108.71mm)
100th Driest Driest since: 1998 1936
25th Wettest Wettest since: 1995 1915
Nov 1998–Aug 1999
10-Month
32.77"
(832.36mm)
27.39"
(695.71mm)
5.38"
(136.65mm)
105th Driest Driest since: 1998 1936
20th Wettest Wettest since: 1995 2015
Oct 1998–Aug 1999
11-Month
39.46"
(1,002.28mm)
30.35"
(770.89mm)
9.11"
(231.39mm)
112th Driest Driest since: 1998 1936
13th Wettest Wettest since: 1995 2019
Sep 1998–Aug 1999
12-Month
42.53"
(1,080.26mm)
33.82"
(859.03mm)
8.71"
(221.23mm)
111th Driest Driest since: 1998 1936
14th Wettest Wettest since: 1992 2019
Mar 1998–Aug 1999
18-Month
58.74"
(1,492.00mm)
54.24"
(1,377.70mm)
4.50"
(114.30mm)
85th Driest Driest since: 1998 1911
40th Wettest Wettest since: 1997 2016
Sep 1997–Aug 1999
24-Month
76.51"
(1,943.35mm)
67.63"
(1,717.80mm)
8.88"
(225.55mm)
102nd Driest Driest since: 1998 1918
22nd Wettest Wettest since: 1995 2016
Sep 1996–Aug 1999
36-Month
117.44"
(2,982.98mm)
101.31"
(2,573.27mm)
16.13"
(409.71mm)
114th Driest Driest since: 1998 1956
9th Wettest Wettest since: 1995 1975
Sep 1995–Aug 1999
48-Month
148.82"
(3,780.03mm)
135.00"
(3,429.00mm)
13.82"
(351.03mm)
98th Driest Driest since: 1998 1956
24th Wettest Wettest since: 1997 1995
Sep 1994–Aug 1999
60-Month
190.91"
(4,849.11mm)
168.61"
(4,282.69mm)
22.30"
(566.42mm)
111th Driest Driest since: 1998 1956
10th Wettest Wettest since: 1997 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/