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 September 2019. For more information, please see Climatological Rankings.


Idaho

Precipitation Rankings, May 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1940
1-Month
0.52"
(13.21mm)
2.12"
(53.85mm)
-1.60"
(-40.64mm)
2nd Driest Driest since: 1924 1924
124th Wettest Wettest since: 1939 1915
Apr–May 1940
2-Month
3.26"
(82.80mm)
4.06"
(103.12mm)
-0.80"
(-20.32mm)
30th Driest Driest since: 1939 1924
96th Wettest Wettest since: 1938 1915
Ties: 1989
Mar–May 1940
3-Month
6.39"
(162.31mm)
6.39"
(162.31mm)
0.00"
(0.00mm)
61st Driest Driest since: 1939 1924
65th Wettest Wettest since: 1938 2011
Feb–May 1940
4-Month
11.20"
(284.48mm)
8.84"
(224.54mm)
2.36"
(59.94mm)
117th Driest Driest since: 1939 1924
9th Wettest Wettest since: 1938 1904
Jan–May 1940
5-Month
14.74"
(374.40mm)
11.87"
(301.50mm)
2.87"
(72.90mm)
114th Driest Driest since: 1939 1924
12th Wettest Wettest since: 1906 2017
Ties: 1995
Dec 1939–May 1940
6-Month
17.62"
(447.55mm)
14.77"
(375.16mm)
2.85"
(72.39mm)
105th Driest Driest since: 1939 1992
20th Wettest Wettest since: 1938 1997
Nov 1939–May 1940
7-Month
17.95"
(455.93mm)
17.47"
(443.74mm)
0.48"
(12.19mm)
72nd Driest Driest since: 1939 1977
53rd Wettest Wettest since: 1938 1997
Oct 1939–May 1940
8-Month
19.64"
(498.86mm)
19.21"
(487.93mm)
0.43"
(10.93mm)
66th Driest Driest since: 1939 1977
59th Wettest Wettest since: 1938 2017
Sep 1939–May 1940
9-Month
20.74"
(526.80mm)
20.42"
(518.67mm)
0.32"
(8.13mm)
65th Driest Driest since: 1939 1977
60th Wettest Wettest since: 1938 2017
Aug 1939–May 1940
10-Month
21.03"
(534.16mm)
21.26"
(540.00mm)
-0.23"
(-5.84mm)
58th Driest Driest since: 1939 1977
67th Wettest Wettest since: 1938 2017
Ties: 2014
Jul 1939–May 1940
11-Month
21.83"
(554.48mm)
22.09"
(561.09mm)
-0.26"
(-6.61mm)
63rd Driest Driest since: 1939 1977
62nd Wettest Wettest since: 1938 1996
Jun 1939–May 1940
12-Month
23.15"
(588.01mm)
23.89"
(606.81mm)
-0.74"
(-18.80mm)
57th Driest Driest since: 1939 1977
68th Wettest Wettest since: 1938 1996
Ties: 1950, 2012
Dec 1938–May 1940
18-Month
33.13"
(841.50mm)
38.65"
(981.71mm)
-5.52"
(-140.21mm)
11th Driest Driest since: 1936 1988
113th Wettest Wettest since: 1939 1996
Jun 1938–May 1940
24-Month
43.49"
(1,104.65mm)
47.79"
(1,213.87mm)
-4.30"
(-109.22mm)
28th Driest Driest since: 1937 2001
96th Wettest Wettest since: 1939 1997
Jun 1937–May 1940
36-Month
70.47"
(1,789.94mm)
71.62"
(1,819.15mm)
-1.15"
(-29.21mm)
54th Driest Driest since: 1939 1931
69th Wettest Wettest since: 1929 1998
Jun 1936–May 1940
48-Month
89.55"
(2,274.57mm)
95.42"
(2,423.67mm)
-5.87"
(-149.10mm)
27th Driest Driest since: 1939 1937
95th Wettest Wettest since: 1930 1999
Jun 1935–May 1940
60-Month
108.98"
(2,768.09mm)
119.20"
(3,027.68mm)
-10.22"
(-259.59mm)
15th Driest Driest since: 1939 1937
106th Wettest Wettest since: 1931 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/