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.

Iowa

Precipitation Rankings, August 1976

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
August 1976
1-Month
1.48"
(37.59mm)
3.84"
(97.54mm)
-2.36"
(-59.95mm)
6th Driest
Driest since:
1984
123rd Wettest
Wettest since:
2007
Jul–Aug 1976
2-Month
4.03"
(102.36mm)
7.70"
(195.58mm)
-3.67"
(-93.22mm)
5th Driest
Driest since:
1947
124th Wettest
Wettest since:
1993
Jun–Aug 1976
3-Month
7.28"
(184.91mm)
12.33"
(313.18mm)
-5.05"
(-128.27mm)
4th Driest
Driest since:
1927
125th Wettest
Wettest since:
1993
May–Aug 1976
4-Month
10.48"
(266.19mm)
16.38"
(416.05mm)
-5.90"
(-149.86mm)
5th Driest
Driest since:
1936
124th Wettest
Wettest since:
1993
Apr–Aug 1976
5-Month
15.07"
(382.78mm)
19.32"
(490.73mm)
-4.25"
(-107.95mm)
14th Driest
Driest since:
1936
115th Wettest
Wettest since:
1993
Mar–Aug 1976
6-Month
18.48"
(469.39mm)
21.28"
(540.51mm)
-2.80"
(-71.12mm)
33rd Driest
Driest since:
1936
96th Wettest
Wettest since:
1993
Feb–Aug 1976
7-Month
19.96"
(506.98mm)
22.29"
(566.17mm)
-2.33"
(-59.19mm)
34th Driest
Driest since:
1988
95th Wettest
Wettest since:
1993
Jan–Aug 1976
8-Month
20.19"
(512.83mm)
23.27"
(591.06mm)
-3.08"
(-78.23mm)
28th Driest
Driest since:
1988
101st Wettest
Wettest since:
1993
Dec 1975–Aug 1976
9-Month
20.95"
(532.13mm)
24.37"
(619.00mm)
-3.42"
(-86.87mm)
23rd Driest
Driest since:
1988
105th Wettest
Wettest since:
1993
Nov 1975–Aug 1976
10-Month
24.42"
(620.27mm)
26.11"
(663.19mm)
-1.69"
(-42.92mm)
42nd Driest
Driest since:
1934
86th Wettest
Wettest since:
1993
Oct 1975–Aug 1976
11-Month
24.73"
(628.14mm)
28.42"
(721.87mm)
-3.69"
(-93.73mm)
23rd Driest
Driest since:
1934
105th Wettest
Wettest since:
1993
Sep 1975–Aug 1976
12-Month
26.87"
(682.50mm)
32.12"
(815.85mm)
-5.25"
(-133.35mm)
18th Driest
Driest since:
1934
110th Wettest
Wettest since:
1993
Mar 1975–Aug 1976
18-Month
47.59"
(1,208.79mm)
53.43"
(1,357.12mm)
-5.84"
(-148.33mm)
18th Driest
Driest since:
1911
110th Wettest
Wettest since:
1993
Sep 1974–Aug 1976
24-Month
57.28"
(1,454.91mm)
64.28"
(1,632.71mm)
-7.00"
(-177.80mm)
16th Driest
Driest since:
1934
111th Wettest
Wettest since:
1993
Sep 1973–Aug 1976
36-Month
96.01"
(2,438.65mm)
96.39"
(2,448.31mm)
-0.38"
(-9.66mm)
59th Driest
Driest since:
1957
67th Wettest
Wettest since:
2010
Sep 1972–Aug 1976
48-Month
137.88"
(3,502.15mm)
128.37"
(3,260.60mm)
9.51"
(241.55mm)
96th Driest
Driest since:
1936
29th Wettest
Wettest since:
2010
Sep 1971–Aug 1976
60-Month
173.19"
(4,399.03mm)
160.37"
(4,073.40mm)
12.82"
(325.63mm)
97th Driest
Driest since:
1957
27th Wettest
Wettest since:
2011

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