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, February 1999

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
February 1999
1-Month
1.17"
(29.72mm)
0.97"
(24.64mm)
0.20"
(5.08mm)
98th Driest
Driest since:
1970, 1977
31st Wettest
Wettest since:
1899, 1986
Ties: 1900, 1976, 1989
Jan–Feb 1999
2-Month
2.39"
(60.71mm)
2.03"
(51.56mm)
0.36"
(9.15mm)
100th Driest
Driest since:
1931
29th Wettest
Wettest since:
1899
Dec 1998–Feb 1999
3-Month
3.23"
(82.04mm)
3.04"
(77.22mm)
0.19"
(4.82mm)
85th Driest
Driest since:
1931
43rd Wettest
Wettest since:
2017
Nov 1998–Feb 1999
4-Month
4.44"
(112.78mm)
4.07"
(103.38mm)
0.37"
(9.40mm)
91st Driest
Driest since:
1931
37th Wettest
Wettest since:
2017
Oct 1998–Feb 1999
5-Month
7.25"
(184.15mm)
5.27"
(133.86mm)
1.98"
(50.29mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1943
Sep 1998–Feb 1999
6-Month
8.59"
(218.19mm)
6.50"
(165.10mm)
2.09"
(53.09mm)
117th Driest
Driest since:
1977
11th Wettest
Wettest since:
2017
Aug 1998–Feb 1999
7-Month
9.96"
(252.98mm)
7.57"
(192.28mm)
2.39"
(60.70mm)
120th Driest
Driest since:
1905
8th Wettest
Wettest since:
2017
Jul 1998–Feb 1999
8-Month
11.70"
(297.18mm)
8.86"
(225.04mm)
2.84"
(72.14mm)
123rd Driest
Driest since:
1905
5th Wettest
Wettest since:
1924
Jun 1998–Feb 1999
9-Month
15.03"
(381.76mm)
10.69"
(271.53mm)
4.34"
(110.23mm)
127th Driest
Driest since:
2013
1st Wettest
Wettest to Date
1999
May 1998–Feb 1999
10-Month
16.47"
(418.34mm)
12.89"
(327.41mm)
3.58"
(90.93mm)
122nd Driest
Driest since:
2013
6th Wettest
Wettest since:
1909
Apr 1998–Feb 1999
11-Month
17.83"
(452.88mm)
14.69"
(373.13mm)
3.14"
(79.75mm)
120th Driest
Driest since:
2013
8th Wettest
Wettest since:
1942
Mar 1998–Feb 1999
12-Month
19.65"
(499.11mm)
15.93"
(404.62mm)
3.72"
(94.49mm)
121st Driest
Driest since:
2013
7th Wettest
Wettest since:
1996
Sep 1997–Feb 1999
18-Month
26.50"
(673.10mm)
22.44"
(569.98mm)
4.06"
(103.12mm)
118th Driest
Driest since:
1935
9th Wettest
Wettest since:
1996
Mar 1997–Feb 1999
24-Month
37.49"
(952.25mm)
31.87"
(809.50mm)
5.62"
(142.75mm)
121st Driest
Driest since:
2003
6th Wettest
Wettest since:
1943
Mar 1996–Feb 1999
36-Month
54.84"
(1,392.94mm)
47.77"
(1,213.36mm)
7.07"
(179.58mm)
122nd Driest
Driest since:
2003
4th Wettest
Wettest since:
1948
Ties: 1928
Mar 1995–Feb 1999
48-Month
75.53"
(1,918.46mm)
63.63"
(1,616.20mm)
11.90"
(302.26mm)
124th Driest
Driest since:
2004
1st Wettest
Wettest to Date
1999
Mar 1994–Feb 1999
60-Month
89.36"
(2,269.74mm)
79.50"
(2,019.30mm)
9.86"
(250.44mm)
119th Driest
Driest since:
2005
5th Wettest
Wettest since:
2000

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