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.

Wyoming

Precipitation Rankings, October 1940

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
October 1940
1-Month
1.16"
(29.46mm)
1.20"
(30.48mm)
-0.04"
(-1.02mm)
63rd Driest
Driest since:
1933
66th Wettest
Wettest since:
1994
Ties: 1979
Sep–Oct 1940
2-Month
3.59"
(91.19mm)
2.44"
(61.98mm)
1.15"
(29.21mm)
114th Driest
Driest since:
1952
15th Wettest
Wettest since:
2013
Aug–Oct 1940
3-Month
4.07"
(103.38mm)
3.51"
(89.15mm)
0.56"
(14.23mm)
96th Driest
Driest since:
1958
33rd Wettest
Wettest since:
1923
Jul–Oct 1940
4-Month
5.13"
(130.30mm)
4.79"
(121.67mm)
0.34"
(8.63mm)
84th Driest
Driest since:
1964
45th Wettest
Wettest since:
1923
Ties: 1950
Jun–Oct 1940
5-Month
6.49"
(164.85mm)
6.62"
(168.15mm)
-0.13"
(-3.30mm)
74th Driest
Driest since:
1988
55th Wettest
Wettest since:
1923
Ties: 1977
May–Oct 1940
6-Month
7.33"
(186.18mm)
8.84"
(224.54mm)
-1.51"
(-38.36mm)
31st Driest
Driest since:
2012
98th Wettest
Wettest since:
1923
Apr–Oct 1940
7-Month
10.38"
(263.65mm)
10.61"
(269.49mm)
-0.23"
(-5.84mm)
63rd Driest
Driest since:
2012
66th Wettest
Wettest since:
1941
Ties: 1961
Mar–Oct 1940
8-Month
11.47"
(291.34mm)
11.86"
(301.24mm)
-0.39"
(-9.90mm)
57th Driest
Driest since:
2012
72nd Wettest
Wettest since:
1941
Ties: 1977
Feb–Oct 1940
9-Month
12.70"
(322.58mm)
12.83"
(325.88mm)
-0.13"
(-3.30mm)
65th Driest
Driest since:
2012
64th Wettest
Wettest since:
1941
Jan–Oct 1940
10-Month
14.31"
(363.47mm)
13.89"
(352.81mm)
0.42"
(10.66mm)
73rd Driest
Driest since:
2012
56th Wettest
Wettest since:
1923
Dec 1939–Oct 1940
11-Month
14.82"
(376.43mm)
14.90"
(378.46mm)
-0.08"
(-2.03mm)
62nd Driest
Driest since:
2012
66th Wettest
Wettest since:
1923
Nov 1939–Oct 1940
12-Month
14.84"
(376.94mm)
15.94"
(404.88mm)
-1.10"
(-27.94mm)
44th Driest
Driest since:
1960
84th Wettest
Wettest since:
1923
May 1939–Oct 1940
18-Month
21.66"
(550.16mm)
24.75"
(628.65mm)
-3.09"
(-78.49mm)
25th Driest
Driest since:
1934
103rd Wettest
Wettest since:
1927
Nov 1938–Oct 1940
24-Month
27.72"
(704.09mm)
31.86"
(809.24mm)
-4.14"
(-105.15mm)
19th Driest
Driest since:
2002
108th Wettest
Wettest since:
1998
Nov 1937–Oct 1940
36-Month
45.47"
(1,154.94mm)
47.81"
(1,214.37mm)
-2.34"
(-59.43mm)
35th Driest
Driest since:
2002
91st Wettest
Wettest since:
1947
Nov 1936–Oct 1940
48-Month
62.42"
(1,585.47mm)
63.72"
(1,618.49mm)
-1.30"
(-33.02mm)
55th Driest
Driest since:
2003
70th Wettest
Wettest since:
1998
Nov 1935–Oct 1940
60-Month
77.99"
(1,980.95mm)
79.57"
(2,021.08mm)
-1.58"
(-40.13mm)
53rd Driest
Driest since:
1935
71st Wettest
Wettest since:
1999

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