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 1997

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
September 1997
1-Month
2.43"
(61.72mm)
1.43"
(36.32mm)
1.00"
(25.40mm)
118th Driest
Driest since:
1956
11th Wettest
Wettest since:
2013
Aug–Sep 1997
2-Month
5.88"
(149.35mm)
3.46"
(87.88mm)
2.42"
(61.47mm)
127th Driest
Driest since:
1944
2nd Wettest
Wettest to Date
2013
Jul–Sep 1997
3-Month
8.02"
(203.71mm)
5.56"
(141.22mm)
2.46"
(62.49mm)
124th Driest
Driest since:
1900
5th Wettest
Wettest since:
2013
Jun–Sep 1997
4-Month
10.23"
(259.84mm)
7.10"
(180.34mm)
3.13"
(79.50mm)
125th Driest
Driest since:
1924
4th Wettest
Wettest since:
1965
May–Sep 1997
5-Month
12.14"
(308.36mm)
9.12"
(231.65mm)
3.02"
(76.71mm)
123rd Driest
Driest since:
1939
6th Wettest
Wettest since:
1965
Apr–Sep 1997
6-Month
14.59"
(370.59mm)
10.96"
(278.38mm)
3.63"
(92.21mm)
122nd Driest
Driest since:
1939
7th Wettest
Wettest since:
1999
Mar–Sep 1997
7-Month
15.10"
(383.54mm)
12.47"
(316.74mm)
2.63"
(66.80mm)
118th Driest
Driest since:
2002
11th Wettest
Wettest since:
1941
Feb–Sep 1997
8-Month
16.16"
(410.46mm)
13.56"
(344.42mm)
2.60"
(66.04mm)
117th Driest
Driest since:
2002
12th Wettest
Wettest since:
1941
Jan–Sep 1997
9-Month
17.90"
(454.66mm)
14.62"
(371.35mm)
3.28"
(83.31mm)
119th Driest
Driest since:
2002
10th Wettest
Wettest since:
1957
Dec 1996–Sep 1997
10-Month
19.11"
(485.39mm)
15.70"
(398.78mm)
3.41"
(86.61mm)
119th Driest
Driest since:
2002
9th Wettest
Wettest since:
1957
Nov 1996–Sep 1997
11-Month
20.53"
(521.46mm)
16.76"
(425.70mm)
3.77"
(95.76mm)
120th Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Oct 1996–Sep 1997
12-Month
22.16"
(562.86mm)
18.10"
(459.74mm)
4.06"
(103.12mm)
122nd Driest
Driest since:
2002
6th Wettest
Wettest since:
1995
Apr 1996–Sep 1997
18-Month
33.60"
(853.44mm)
29.08"
(738.63mm)
4.52"
(114.81mm)
122nd Driest
Driest since:
2002
6th Wettest
Wettest since:
1942
Oct 1995–Sep 1997
24-Month
39.87"
(1,012.70mm)
36.22"
(919.99mm)
3.65"
(92.71mm)
108th Driest
Driest since:
2003
19th Wettest
Wettest since:
1942
Oct 1994–Sep 1997
36-Month
63.85"
(1,621.79mm)
54.27"
(1,378.46mm)
9.58"
(243.33mm)
125th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1997
Oct 1993–Sep 1997
48-Month
80.63"
(2,048.00mm)
72.31"
(1,836.67mm)
8.32"
(211.33mm)
118th Driest
Driest since:
1956
7th Wettest
Wettest since:
1998
Oct 1992–Sep 1997
60-Month
100.18"
(2,544.57mm)
90.33"
(2,294.38mm)
9.85"
(250.19mm)
119th Driest
Driest since:
2022
5th Wettest
Wettest since:
1999

Citing This Page