Precipitation amounts shown for the nine climate districts in Iowa are obtained from the Iowa Department of Agriculture and Land Stewardship (IDALS) Climatology Bureau. Viewers interested in the details of how this data is generated from individual precipitation monitoring sites should contact IDALS.
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Northwest | 0.79 | 2.48 | 1.26 | 3.82 | 6.24 | 2.20 | 1.06 | 2.12 | 1.22 | 1.63 | 0.66 | 1.11 |
| North Central | 0.82 | 1.27 | 1.80 | 4.21 | 4.08 | 2.51 | 0.96 | 2.09 | 1.65 | 2.49 | 0.61 | 1.39 |
| Northeast | 1.12 | 0.98 | 2.42 | 3.94 | 3.56 | 1.96 | 1.98 | 2.72 | 2.28 | 3.85 | 1.40 | 1.71 |
| West Central | 0.20 | 2.24 | 1.36 | 3.76 | 3.82 | 3.99 | 0.55 | 3.08 | 1.68 | 2.84 | 0.59 | 1.36 |
| Central | 0.59 | 1.32 | 2.08 | 4.28 | 2.47 | 2.64 | 1.80 | 2.22 | 1.93 | 2.93 | 1.11 | 1.56 |
| East Central | 0.98 | 1.51 | 2.12 | 3.89 | 2.14 | 2.59 | 1.12 | 4.16 | 1.79 | 3.33 | 1.45 | 2.01 |
| Southwest | 0.24 | 2.28 | 2.67 | 4.64 | 2.50 | 4.60 | 0.81 | 3.83 | 1.31 | 3.50 | 0.86 | 1.21 |
| South Central | 0.31 | 2.00 | 2.61 | 4.11 | 2.63 | 3.33 | 0.78 | 3.62 | 0.85 | 3.96 | 1.63 | 1.55 |
| Southeast | 0.53 | 1.64 | 1.58 | 3.32 | 3.70 | 3.53 | 1.20 | 3.27 | 1.75 | 4.06 | 1.48 | 2.30 |
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