Statewide Rankings

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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 1987

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
February 1987 1-Month	1.06" (26.92mm)	0.97" (24.64mm)	0.09" (2.28mm)	84th Driest	Driest since: 1985	1970, 1977
	1.06" (26.92mm)	0.97" (24.64mm)	0.09" (2.28mm)	46th Wettest	Wettest since: 1986	1899, 1986
	Ties: 1934, 1971
Jan–Feb 1987 2-Month	1.96" (49.78mm)	2.03" (51.56mm)	-0.07" (-1.78mm)	57th Driest	Driest since: 1985	1931
	1.96" (49.78mm)	2.03" (51.56mm)	-0.07" (-1.78mm)	73rd Wettest	Wettest since: 1986	1899
	Ties: 1905, 2021
Dec 1986–Feb 1987 3-Month	2.18" (55.37mm)	3.04" (77.22mm)	-0.86" (-21.85mm)	13th Driest	Driest since: 1981	1931
Dec 1986–Feb 1987 3-Month	2.18" (55.37mm)	3.04" (77.22mm)	-0.86" (-21.85mm)	116th Wettest	Wettest since: 1986	2017
Nov 1986–Feb 1987 4-Month	3.59" (91.19mm)	4.07" (103.38mm)	-0.48" (-12.19mm)	39th Driest	Driest since: 1985	1931
	3.59" (91.19mm)	4.07" (103.38mm)	-0.48" (-12.19mm)	90th Wettest	Wettest since: 1986	2017
	Ties: 2013
Oct 1986–Feb 1987 5-Month	5.38" (136.65mm)	5.27" (133.86mm)	0.11" (2.79mm)	69th Driest	Driest since: 1985	1977
Oct 1986–Feb 1987 5-Month	5.38" (136.65mm)	5.27" (133.86mm)	0.11" (2.79mm)	60th Wettest	Wettest since: 1986	1943
Sep 1986–Feb 1987 6-Month	7.50" (190.50mm)	6.50" (165.10mm)	1.00" (25.40mm)	104th Driest	Driest since: 1985	1977
	7.50" (190.50mm)	6.50" (165.10mm)	1.00" (25.40mm)	25th Wettest	Wettest since: 1986	2017
	Ties: 1956
Aug 1986–Feb 1987 7-Month	8.41" (213.61mm)	7.57" (192.28mm)	0.84" (21.33mm)	96th Driest	Driest since: 1985	1905
Aug 1986–Feb 1987 7-Month	8.41" (213.61mm)	7.57" (192.28mm)	0.84" (21.33mm)	33rd Wettest	Wettest since: 1986	2017
Jul 1986–Feb 1987 8-Month	9.70" (246.38mm)	8.86" (225.04mm)	0.84" (21.34mm)	97th Driest	Driest since: 1985	1905
	9.70" (246.38mm)	8.86" (225.04mm)	0.84" (21.34mm)	32nd Wettest	Wettest since: 1986	1924
	Ties: 1946
Jun 1986–Feb 1987 9-Month	11.71" (297.43mm)	10.69" (271.53mm)	1.02" (25.90mm)	97th Driest	Driest since: 1985	2013
Jun 1986–Feb 1987 9-Month	11.71" (297.43mm)	10.69" (271.53mm)	1.02" (25.90mm)	32nd Wettest	Wettest since: 1986	1999
May 1986–Feb 1987 10-Month	13.39" (340.11mm)	12.89" (327.41mm)	0.50" (12.70mm)	72nd Driest	Driest since: 1985	2013
May 1986–Feb 1987 10-Month	13.39" (340.11mm)	12.89" (327.41mm)	0.50" (12.70mm)	57th Wettest	Wettest since: 1986	1909
Apr 1986–Feb 1987 11-Month	15.81" (401.57mm)	14.69" (373.13mm)	1.12" (28.44mm)	94th Driest	Driest since: 1986	2013
Apr 1986–Feb 1987 11-Month	15.81" (401.57mm)	14.69" (373.13mm)	1.12" (28.44mm)	35th Wettest	Wettest since: 1984	1942
Mar 1986–Feb 1987 12-Month	16.81" (426.97mm)	15.93" (404.62mm)	0.88" (22.35mm)	84th Driest	Driest since: 1986	2013
Mar 1986–Feb 1987 12-Month	16.81" (426.97mm)	15.93" (404.62mm)	0.88" (22.35mm)	45th Wettest	Wettest since: 1984	1996
Sep 1985–Feb 1987 18-Month	25.65" (651.51mm)	22.44" (569.98mm)	3.21" (81.53mm)	115th Driest	Driest since: 1986	1935
Sep 1985–Feb 1987 18-Month	25.65" (651.51mm)	22.44" (569.98mm)	3.21" (81.53mm)	13th Wettest	Wettest since: 1984	1996
Mar 1985–Feb 1987 24-Month	32.74" (831.60mm)	31.87" (809.50mm)	0.87" (22.10mm)	80th Driest	Driest since: 1986	2003
Mar 1985–Feb 1987 24-Month	32.74" (831.60mm)	31.87" (809.50mm)	0.87" (22.10mm)	48th Wettest	Wettest since: 1985	1943
Mar 1984–Feb 1987 36-Month	48.44" (1,230.38mm)	47.77" (1,213.36mm)	0.67" (17.02mm)	76th Driest	Driest since: 1982	2003
Mar 1984–Feb 1987 36-Month	48.44" (1,230.38mm)	47.77" (1,213.36mm)	0.67" (17.02mm)	51st Wettest	Wettest since: 1986	1948
Mar 1983–Feb 1987 48-Month	67.18" (1,706.37mm)	63.63" (1,616.20mm)	3.55" (90.17mm)	95th Driest	Driest since: 1983	2004
Mar 1983–Feb 1987 48-Month	67.18" (1,706.37mm)	63.63" (1,616.20mm)	3.55" (90.17mm)	31st Wettest	Wettest since: 1986	1999
Mar 1982–Feb 1987 60-Month	86.06" (2,185.92mm)	79.50" (2,019.30mm)	6.56" (166.62mm)	105th Driest	Driest since: 1986	2005
Mar 1982–Feb 1987 60-Month	86.06" (2,185.92mm)	79.50" (2,019.30mm)	6.56" (166.62mm)	20th Wettest	Wettest since: 1950	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings