Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of November 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 1999
1-Month
1.03"
(26.16mm)
1.29"
(32.77mm)
-0.26"
(-6.61mm)
46th Driest Driest since: 1997 1930
79th Wettest Wettest since: 1998 1917
Nov–Dec 1999
2-Month
2.22"
(56.39mm)
2.57"
(65.28mm)
-0.35"
(-8.89mm)
49th Driest Driest since: 1997 1908
76th Wettest Wettest since: 1998 1927
Oct–Dec 1999
3-Month
3.21"
(81.53mm)
3.82"
(97.03mm)
-0.61"
(-15.50mm)
33rd Driest Driest since: 1997 1907
92nd Wettest Wettest since: 1998 1927
Sep–Dec 1999
4-Month
4.28"
(108.71mm)
5.28"
(134.11mm)
-1.00"
(-25.40mm)
27th Driest Driest since: 1997 1904
98th Wettest Wettest since: 1998 1946
Aug–Dec 1999
5-Month
6.12"
(155.45mm)
6.59"
(167.39mm)
-0.47"
(-11.94mm)
45th Driest Driest since: 1997 1904
80th Wettest Wettest since: 1998 1927
Ties: 1957
Jul–Dec 1999
6-Month
7.17"
(182.12mm)
8.17"
(207.52mm)
-1.00"
(-25.40mm)
35th Driest Driest since: 1994 1904
90th Wettest Wettest since: 1998 1927
Jun–Dec 1999
7-Month
9.73"
(247.14mm)
11.04"
(280.42mm)
-1.31"
(-33.28mm)
29th Driest Driest since: 1994 1904
96th Wettest Wettest since: 1998 1993
May–Dec 1999
8-Month
12.09"
(307.09mm)
13.45"
(341.63mm)
-1.36"
(-34.54mm)
40th Driest Driest since: 1994 1904
85th Wettest Wettest since: 1998 1927
Apr–Dec 1999
9-Month
13.84"
(351.54mm)
14.96"
(379.98mm)
-1.12"
(-28.44mm)
42nd Driest Driest since: 1994 1904
83rd Wettest Wettest since: 1998 1927
Mar–Dec 1999
10-Month
14.61"
(371.09mm)
16.24"
(412.50mm)
-1.63"
(-41.41mm)
25th Driest Driest since: 1994 1936
100th Wettest Wettest since: 1998 1927
Feb–Dec 1999
11-Month
15.99"
(406.15mm)
17.30"
(439.42mm)
-1.31"
(-33.27mm)
36th Driest Driest since: 1994 1931
89th Wettest Wettest since: 1998 1927
Jan–Dec 1999
12-Month
17.44"
(442.98mm)
18.65"
(473.71mm)
-1.21"
(-30.73mm)
40th Driest Driest since: 1994 1931
85th Wettest Wettest since: 1998 1927
Jul 1998–Dec 1999
18-Month
26.75"
(679.45mm)
26.84"
(681.74mm)
-0.09"
(-2.29mm)
58th Driest Driest since: 1992 1936
66th Wettest Wettest since: 1998 1927
Jan 1998–Dec 1999
24-Month
37.69"
(957.33mm)
37.32"
(947.93mm)
0.37"
(9.40mm)
59th Driest Driest since: 1992 1935
65th Wettest Wettest since: 1998 2011
Jan 1997–Dec 1999
36-Month
57.13"
(1,451.10mm)
56.02"
(1,422.91mm)
1.11"
(28.19mm)
63rd Driest Driest since: 1994 1936
60th Wettest Wettest since: 1998 1898
Jan 1996–Dec 1999
48-Month
77.73"
(1,974.34mm)
74.72"
(1,897.89mm)
3.01"
(76.45mm)
82nd Driest Driest since: 1994 1937
40th Wettest Wettest since: 1998 1909
Jan 1995–Dec 1999
60-Month
99.75"
(2,533.65mm)
93.44"
(2,373.38mm)
6.31"
(160.27mm)
106th Driest Driest since: 1998 1937
15th Wettest Wettest since: 1997 2014

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 12, 2019 from https://www.ncdc.noaa.gov/cag/