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.

Colorado

Precipitation Rankings, September 1924

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1924
1-Month
1.25"
(31.75mm)
1.43"
(36.32mm)
-0.18"
(-4.57mm)
56th Driest
Driest since:
1956
73rd Wettest
Wettest since:
2013
Ties: 1900, 1937
Aug–Sep 1924
2-Month
1.95"
(49.53mm)
3.46"
(87.88mm)
-1.51"
(-38.35mm)
9th Driest
Driest to Date
1944
120th Wettest
Wettest since:
2013
Jul–Sep 1924
3-Month
3.33"
(84.58mm)
5.56"
(141.22mm)
-2.23"
(-56.64mm)
3rd Driest
Driest since:
1900
126th Wettest
Wettest since:
2013
Jun–Sep 1924
4-Month
3.70"
(93.98mm)
7.10"
(180.34mm)
-3.40"
(-86.36mm)
1st Driest
Driest to Date
1924
128th Wettest
Wettest since:
1965
May–Sep 1924
5-Month
5.79"
(147.07mm)
9.12"
(231.65mm)
-3.33"
(-84.58mm)
5th Driest
Driest since:
1939
124th Wettest
Wettest since:
1965
Apr–Sep 1924
6-Month
7.26"
(184.40mm)
10.96"
(278.38mm)
-3.70"
(-93.98mm)
6th Driest
Driest to Date
1939
123rd Wettest
Wettest since:
1999
Mar–Sep 1924
7-Month
9.80"
(248.92mm)
12.47"
(316.74mm)
-2.67"
(-67.82mm)
14th Driest
Driest since:
2002
115th Wettest
Wettest since:
1941
Feb–Sep 1924
8-Month
10.39"
(263.91mm)
13.56"
(344.42mm)
-3.17"
(-80.51mm)
10th Driest
Driest to Date
2002
119th Wettest
Wettest since:
1941
Ties: 1954
Jan–Sep 1924
9-Month
11.06"
(280.92mm)
14.62"
(371.35mm)
-3.56"
(-90.43mm)
10th Driest
Driest to Date
2002
119th Wettest
Wettest since:
1957
Dec 1923–Sep 1924
10-Month
12.31"
(312.67mm)
15.70"
(398.78mm)
-3.39"
(-86.11mm)
10th Driest
Driest to Date
2002
118th Wettest
Wettest since:
1957
Nov 1923–Sep 1924
11-Month
13.05"
(331.47mm)
16.76"
(425.70mm)
-3.71"
(-94.23mm)
8th Driest
Driest to Date
2002
120th Wettest
Wettest since:
1941
Oct 1923–Sep 1924
12-Month
15.84"
(402.34mm)
18.10"
(459.74mm)
-2.26"
(-57.40mm)
30th Driest
Driest since:
2002
98th Wettest
Wettest since:
1995
Apr 1923–Sep 1924
18-Month
30.00"
(762.00mm)
29.08"
(738.63mm)
0.92"
(23.37mm)
78th Driest
Driest since:
2002
50th Wettest
Wettest since:
1942
Oct 1922–Sep 1924
24-Month
37.02"
(940.31mm)
36.22"
(919.99mm)
0.80"
(20.32mm)
78th Driest
Driest since:
2003
49th Wettest
Wettest since:
1942
Oct 1921–Sep 1924
36-Month
53.25"
(1,352.55mm)
54.27"
(1,378.46mm)
-1.02"
(-25.91mm)
53rd Driest
Driest since:
1956
73rd Wettest
Wettest since:
1997
Oct 1920–Sep 1924
48-Month
73.89"
(1,876.81mm)
72.31"
(1,836.67mm)
1.58"
(40.14mm)
79th Driest
Driest since:
1956
46th Wettest
Wettest since:
1998
Oct 1919–Sep 1924
60-Month
94.04"
(2,388.62mm)
90.33"
(2,294.38mm)
3.71"
(94.24mm)
91st Driest
Driest since:
2022
33rd Wettest
Wettest since:
1999

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