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, October 2004

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 2004
1-Month
1.47"
(37.34mm)
1.35"
(34.29mm)
0.12"
(3.05mm)
81st Driest
Driest since:
1952
48th Wettest
Wettest since:
1969
Ties: 1949
Sep–Oct 2004
2-Month
3.64"
(92.46mm)
2.77"
(70.36mm)
0.87"
(22.10mm)
100th Driest
Driest since:
1922
29th Wettest
Wettest since:
1941
Aug–Oct 2004
3-Month
5.49"
(139.45mm)
4.80"
(121.92mm)
0.69"
(17.53mm)
92nd Driest
Driest since:
1944
37th Wettest
Wettest since:
1941
Jul–Oct 2004
4-Month
7.85"
(199.39mm)
6.90"
(175.26mm)
0.95"
(24.13mm)
94th Driest
Driest since:
1900
35th Wettest
Wettest since:
1941
Jun–Oct 2004
5-Month
9.84"
(249.94mm)
8.45"
(214.63mm)
1.39"
(35.31mm)
105th Driest
Driest since:
1900
24th Wettest
Wettest since:
1941
May–Oct 2004
6-Month
10.54"
(267.72mm)
10.46"
(265.68mm)
0.08"
(2.04mm)
66th Driest
Driest since:
1939
63rd Wettest
Wettest since:
1941
Apr–Oct 2004
7-Month
13.69"
(347.73mm)
12.30"
(312.42mm)
1.39"
(35.31mm)
101st Driest
Driest since:
1939
28th Wettest
Wettest since:
1941
Mar–Oct 2004
8-Month
14.30"
(363.22mm)
13.82"
(351.03mm)
0.48"
(12.19mm)
80th Driest
Driest since:
1934
49th Wettest
Wettest since:
1941
Feb–Oct 2004
9-Month
15.57"
(395.48mm)
14.91"
(378.71mm)
0.66"
(16.77mm)
88th Driest
Driest since:
2002
41st Wettest
Wettest since:
1941
Jan–Oct 2004
10-Month
16.47"
(418.34mm)
15.97"
(405.64mm)
0.50"
(12.70mm)
79th Driest
Driest since:
2002
50th Wettest
Wettest since:
1941
Ties: 1935
Dec 2003–Oct 2004
11-Month
17.38"
(441.45mm)
17.04"
(432.82mm)
0.34"
(8.63mm)
77th Driest
Driest since:
2002
51st Wettest
Wettest since:
1941
Nov 2003–Oct 2004
12-Month
18.72"
(475.49mm)
18.11"
(459.99mm)
0.61"
(15.50mm)
84th Driest
Driest since:
2002
44th Wettest
Wettest since:
1941
May 2003–Oct 2004
18-Month
27.22"
(691.39mm)
28.55"
(725.17mm)
-1.33"
(-33.78mm)
45th Driest
Driest since:
1901
83rd Wettest
Wettest since:
1942
Nov 2002–Oct 2004
24-Month
34.53"
(877.06mm)
36.22"
(919.99mm)
-1.69"
(-42.93mm)
41st Driest
Driest since:
2003
86th Wettest
Wettest since:
1942
Nov 2001–Oct 2004
36-Month
46.61"
(1,183.89mm)
54.28"
(1,378.71mm)
-7.67"
(-194.82mm)
10th Driest
Driest since:
1956
116th Wettest
Wettest since:
1997
Nov 2000–Oct 2004
48-Month
63.22"
(1,605.79mm)
72.32"
(1,836.93mm)
-9.10"
(-231.14mm)
8th Driest
Driest since:
1956
117th Wettest
Wettest since:
1998
Nov 1999–Oct 2004
60-Month
79.58"
(2,021.33mm)
90.35"
(2,294.89mm)
-10.77"
(-273.56mm)
9th Driest
Driest since:
1956
115th Wettest
Wettest since:
1999

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