Divisional 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.

Montana, Climate Division 3. North Central

Precipitation Rankings, January 1999

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1999 1-Month	0.82" (20.83mm)	0.79" (20.07mm)	0.03" (0.76mm)	84th Driest	Driest since: 1998	1944
January 1999 1-Month	0.82" (20.83mm)	0.79" (20.07mm)	0.03" (0.76mm)	46th Wettest	Wettest since: 1996	1971
Dec 1998–Jan 1999 2-Month	1.88" (47.75mm)	1.56" (39.62mm)	0.32" (8.13mm)	96th Driest	Driest since: 1998	1944
	1.88" (47.75mm)	1.56" (39.62mm)	0.32" (8.13mm)	33rd Wettest	Wettest since: 1997	1918
	Ties: 1899
Nov 1998–Jan 1999 3-Month	3.22" (81.79mm)	2.29" (58.17mm)	0.93" (23.62mm)	115th Driest	Driest since: 1998	1944
Nov 1998–Jan 1999 3-Month	3.22" (81.79mm)	2.29" (58.17mm)	0.93" (23.62mm)	14th Wettest	Wettest since: 1990	1907
Oct 1998–Jan 1999 4-Month	4.00" (101.60mm)	3.11" (78.99mm)	0.89" (22.61mm)	103rd Driest	Driest since: 1998	1908
Oct 1998–Jan 1999 4-Month	4.00" (101.60mm)	3.11" (78.99mm)	0.89" (22.61mm)	26th Wettest	Wettest since: 1996	1907
Sep 1998–Jan 1999 5-Month	4.57" (116.08mm)	4.41" (112.01mm)	0.16" (4.07mm)	70th Driest	Driest since: 1998	1988
Sep 1998–Jan 1999 5-Month	4.57" (116.08mm)	4.41" (112.01mm)	0.16" (4.07mm)	59th Wettest	Wettest since: 1997	1912
Aug 1998–Jan 1999 6-Month	5.56" (141.22mm)	5.76" (146.30mm)	-0.20" (-5.08mm)	60th Driest	Driest since: 1998	2002
Aug 1998–Jan 1999 6-Month	5.56" (141.22mm)	5.76" (146.30mm)	-0.20" (-5.08mm)	69th Wettest	Wettest since: 1997	1912
Jul 1998–Jan 1999 7-Month	7.41" (188.21mm)	7.34" (186.44mm)	0.07" (1.77mm)	74th Driest	Driest since: 1998	1905
Jul 1998–Jan 1999 7-Month	7.41" (188.21mm)	7.34" (186.44mm)	0.07" (1.77mm)	55th Wettest	Wettest since: 1996	1912
Jun 1998–Jan 1999 8-Month	11.78" (299.21mm)	10.29" (261.37mm)	1.49" (37.84mm)	93rd Driest	Driest since: 1998	1905
Jun 1998–Jan 1999 8-Month	11.78" (299.21mm)	10.29" (261.37mm)	1.49" (37.84mm)	36th Wettest	Wettest since: 1996	1912
May 1998–Jan 1999 9-Month	13.41" (340.61mm)	12.45" (316.23mm)	0.96" (24.38mm)	88th Driest	Driest since: 1998	1905
May 1998–Jan 1999 9-Month	13.41" (340.61mm)	12.45" (316.23mm)	0.96" (24.38mm)	41st Wettest	Wettest since: 1996	1928
Apr 1998–Jan 1999 10-Month	14.42" (366.27mm)	13.56" (344.42mm)	0.86" (21.85mm)	84th Driest	Driest since: 1998	1905
	14.42" (366.27mm)	13.56" (344.42mm)	0.86" (21.85mm)	45th Wettest	Wettest since: 1996	1928
	Ties: 1904
Mar 1998–Jan 1999 11-Month	15.53" (394.46mm)	14.37" (365.00mm)	1.16" (29.46mm)	87th Driest	Driest since: 1998	1905
Mar 1998–Jan 1999 11-Month	15.53" (394.46mm)	14.37" (365.00mm)	1.16" (29.46mm)	42nd Wettest	Wettest since: 1996	1928
Feb 1998–Jan 1999 12-Month	15.72" (399.29mm)	14.98" (380.49mm)	0.74" (18.80mm)	79th Driest	Driest since: 1998	1919
Feb 1998–Jan 1999 12-Month	15.72" (399.29mm)	14.98" (380.49mm)	0.74" (18.80mm)	50th Wettest	Wettest since: 1996	1928
Aug 1997–Jan 1999 18-Month	20.16" (512.06mm)	20.76" (527.30mm)	-0.60" (-15.24mm)	58th Driest	Driest since: 1998	2002
Aug 1997–Jan 1999 18-Month	20.16" (512.06mm)	20.76" (527.30mm)	-0.60" (-15.24mm)	70th Wettest	Wettest since: 1997	1928
Feb 1997–Jan 1999 24-Month	29.57" (751.08mm)	30.01" (762.25mm)	-0.44" (-11.17mm)	55th Driest	Driest since: 1998	1920
Feb 1997–Jan 1999 24-Month	29.57" (751.08mm)	30.01" (762.25mm)	-0.44" (-11.17mm)	73rd Wettest	Wettest since: 1997	1917
Feb 1996–Jan 1999 36-Month	43.84" (1,113.54mm)	45.06" (1,144.52mm)	-1.22" (-30.98mm)	49th Driest	Driest since: 1993	1921
Feb 1996–Jan 1999 36-Month	43.84" (1,113.54mm)	45.06" (1,144.52mm)	-1.22" (-30.98mm)	78th Wettest	Wettest since: 1998	1899
Feb 1995–Jan 1999 48-Month	63.76" (1,619.50mm)	60.16" (1,528.06mm)	3.60" (91.44mm)	91st Driest	Driest since: 1998	1921
Feb 1995–Jan 1999 48-Month	63.76" (1,619.50mm)	60.16" (1,528.06mm)	3.60" (91.44mm)	35th Wettest	Wettest since: 1997	1900
Feb 1994–Jan 1999 60-Month	74.88" (1,901.95mm)	75.31" (1,912.87mm)	-0.43" (-10.92mm)	58th Driest	Driest since: 1992	1922
Feb 1994–Jan 1999 60-Month	74.88" (1,901.95mm)	75.31" (1,912.87mm)	-0.43" (-10.92mm)	67th Wettest	Wettest since: 1998	1900

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings