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 October 2021. For more information, please see Climatological Rankings.
Iowa
Precipitation Rankings, December 1990
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1990 1-Month |
1.50" (38.10mm) | 1.11" (28.19mm) |
0.39" (9.91mm) | 94th Driest | Driest since: 1989 | 2002 |
| 33rd Wettest | Wettest since: 1987 | 2015 | ||||
|
Nov–Dec 1990 2-Month |
3.15" (80.01mm) | 2.87" (72.90mm) |
0.28" (7.11mm) | 76th Driest | Driest since: 1989 | 1976 |
| 51st Wettest | Wettest since: 1988 | 2015 | ||||
| Ties: 1981 | ||||||
|
Oct–Dec 1990 3-Month |
5.03" (127.76mm) | 5.16" (131.06mm) |
-0.13" (-3.30mm) | 62nd Driest | Driest since: 1989 | 1910 |
| 65th Wettest | Wettest since: 1987 | 1931 | ||||
| Ties: 2014 | ||||||
|
Sep–Dec 1990 4-Month |
6.42" (163.07mm) | 8.83" (224.28mm) |
-2.41" (-61.21mm) | 24th Driest | Driest since: 1976 | 1939, 1976 |
| 103rd Wettest | Wettest since: 1989 | 1931 | ||||
|
Aug–Dec 1990 5-Month |
10.74" (272.80mm) | 12.67" (321.82mm) |
-1.93" (-49.02mm) | 36th Driest | Driest since: 1976 | 1976 |
| 91st Wettest | Wettest since: 1989 | 2018 | ||||
|
Jul–Dec 1990 6-Month |
17.11" (434.59mm) | 16.52" (419.61mm) |
0.59" (14.98mm) | 77th Driest | Driest since: 1989 | 1976 |
| 50th Wettest | Wettest since: 1987 | 2018 | ||||
|
Jun–Dec 1990 7-Month |
25.07" (636.78mm) | 21.15" (537.21mm) |
3.92" (99.57mm) | 102nd Driest | Driest since: 1989 | 1976 |
| 25th Wettest | Wettest since: 1986 | 2018 | ||||
|
May–Dec 1990 8-Month |
30.80" (782.32mm) | 25.20" (640.08mm) |
5.60" (142.24mm) | 110th Driest | Driest since: 1989 | 1976 |
| 17th Wettest | Wettest since: 1986 | 1993 | ||||
|
Apr–Dec 1990 9-Month |
33.06" (839.72mm) | 28.15" (715.01mm) |
4.91" (124.71mm) | 104th Driest | Driest since: 1989 | 1910 |
| 23rd Wettest | Wettest since: 1986 | 1993 | ||||
|
Mar–Dec 1990 10-Month |
37.36" (948.94mm) | 30.10" (764.54mm) |
7.26" (184.40mm) | 112th Driest | Driest since: 1989 | 1910 |
| 15th Wettest | Wettest since: 1986 | 1993 | ||||
|
Feb–Dec 1990 11-Month |
38.03" (965.96mm) | 31.12" (790.45mm) |
6.91" (175.51mm) | 110th Driest | Driest since: 1989 | 1910 |
| 17th Wettest | Wettest since: 1986 | 1993 | ||||
|
Jan–Dec 1990 12-Month |
38.91" (988.31mm) | 32.09" (815.09mm) |
6.82" (173.22mm) | 109th Driest | Driest since: 1989 | 1910 |
| 18th Wettest | Wettest since: 1986 | 1993 | ||||
|
Jul 1989–Dec 1990 18-Month |
53.22" (1,351.79mm) | 48.69" (1,236.73mm) |
4.53" (115.06mm) | 89th Driest | Driest since: 1989 | 1956 |
| 37th Wettest | Wettest since: 1987 | 1993 | ||||
|
Jan 1989–Dec 1990 24-Month |
63.60" (1,615.44mm) | 64.24" (1,631.70mm) |
-0.64" (-16.26mm) | 60th Driest | Driest since: 1989 | 1989 |
| 66th Wettest | Wettest since: 1987 | 2019 | ||||
|
Jan 1988–Dec 1990 36-Month |
85.08" (2,161.03mm) | 96.36" (2,447.54mm) |
-11.28" (-286.51mm) | 11th Driest | Driest since: 1989 | 1957 |
| 114th Wettest | Wettest since: 1988 | 2010 | ||||
|
Jan 1987–Dec 1990 48-Month |
117.93" (2,995.42mm) | 128.37" (3,260.60mm) |
-10.44" (-265.18mm) | 12th Driest | Driest since: 1958 | 1958 |
| 112th Wettest | Wettest since: 1989 | 2010 | ||||
|
Jan 1986–Dec 1990 60-Month |
157.83" (4,008.88mm) | 160.36" (4,073.14mm) |
-2.53" (-64.26mm) | 48th Driest | Driest since: 1989 | 1956 |
| 75th Wettest | Wettest since: 1988 | 2010 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/