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 1974

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1974
1-Month 		1.67"
(42.42mm)		 1.20"
(30.48mm)		 0.47"
(11.94mm)		 101st Driest
Driest since:
 1933
28th Wettest
Wettest since:
 1994
Ties: 1961
Sep–Oct 1974
2-Month 		2.24"
(56.90mm)		 2.44"
(61.98mm)		 -0.20"
(-5.08mm)		 59th Driest
Driest since:
 1952
70th Wettest
Wettest since:
 2013
Aug–Oct 1974
3-Month 		3.13"
(79.50mm)		 3.51"
(89.15mm)		 -0.38"
(-9.65mm)		 53rd Driest
Driest since:
 1958
76th Wettest
Wettest since:
 1923
Jul–Oct 1974
4-Month 		4.35"
(110.49mm)		 4.79"
(121.67mm)		 -0.44"
(-11.18mm)		 55th Driest
Driest since:
 1964
74th Wettest
Wettest since:
 1923
Jun–Oct 1974
5-Month 		5.44"
(138.18mm)		 6.62"
(168.15mm)		 -1.18"
(-29.97mm)		 32nd Driest
Driest since:
 1988
97th Wettest
Wettest since:
 1923
Ties: 1934
May–Oct 1974
6-Month 		6.44"
(163.58mm)		 8.84"
(224.54mm)		 -2.40"
(-60.96mm)		 13th Driest
Driest since:
 2012
116th Wettest
Wettest since:
 1923
Apr–Oct 1974
7-Month 		8.57"
(217.68mm)		 10.61"
(269.49mm)		 -2.04"
(-51.81mm)		 21st Driest
Driest since:
 2012
108th Wettest
Wettest since:
 1941
Mar–Oct 1974
8-Month 		9.90"
(251.46mm)		 11.86"
(301.24mm)		 -1.96"
(-49.78mm)		 24th Driest
Driest since:
 2012
105th Wettest
Wettest since:
 1941
Feb–Oct 1974
9-Month 		10.52"
(267.21mm)		 12.83"
(325.88mm)		 -2.31"
(-58.67mm)		 20th Driest
Driest since:
 2012
109th Wettest
Wettest since:
 1941
Jan–Oct 1974
10-Month 		11.59"
(294.39mm)		 13.89"
(352.81mm)		 -2.30"
(-58.42mm)		 23rd Driest
Driest since:
 2012
106th Wettest
Wettest since:
 1923
Dec 1973–Oct 1974
11-Month 		12.90"
(327.66mm)		 14.90"
(378.46mm)		 -2.00"
(-50.80mm)		 27th Driest
Driest since:
 2012
101st Wettest
Wettest since:
 1923
Nov 1973–Oct 1974
12-Month 		14.65"
(372.11mm)		 15.94"
(404.88mm)		 -1.29"
(-32.77mm)		 42nd Driest
Driest since:
 1960
86th Wettest
Wettest since:
 1923
May 1973–Oct 1974
18-Month 		24.07"
(611.38mm)		 24.75"
(628.65mm)		 -0.68"
(-17.27mm)		 54th Driest
Driest since:
 1934
74th Wettest
Wettest since:
 1927
Nov 1972–Oct 1974
24-Month 		32.07"
(814.58mm)		 31.86"
(809.24mm)		 0.21"
(5.34mm)		 64th Driest
Driest since:
 2002
63rd Wettest
Wettest since:
 1998
Nov 1971–Oct 1974
36-Month 		48.82"
(1,240.03mm)		 47.81"
(1,214.37mm)		 1.01"
(25.66mm)		 78th Driest
Driest since:
 2002
48th Wettest
Wettest since:
 1947
Nov 1970–Oct 1974
48-Month 		68.09"
(1,729.49mm)		 63.72"
(1,618.49mm)		 4.37"
(111.00mm)		 100th Driest
Driest since:
 2003
25th Wettest
Wettest since:
 1998
Nov 1969–Oct 1974
60-Month 		83.31"
(2,116.07mm)		 79.57"
(2,021.08mm)		 3.74"
(94.99mm)		 91st Driest
Driest since:
 1935
33rd Wettest
Wettest since:
 1999

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