2026 IA_ASOS Monthly Precipitation
This table was generated at 22 May 2026 04 am and is based on available ASOS data. No attempt was made to estimate missing data.
Monthly Precipitation Data
| ID | Name | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | MJJA | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADU | AUDUBON | 0.87 | 0.03 | 1.22 | 3.52 | 0.90 | M | M | M | M | M | M | M | 0.90 | 6.54 |
| AIO | ATLANTIC | 0.93 | 0.15 | 0.98 | 4.20 | 1.18 | M | M | M | M | M | M | M | 1.18 | 7.44 |
| ALO | Waterloo | 1.61 | 0.79 | 2.20 | 5.80 | 1.99 | M | M | M | M | M | M | M | 1.99 | 12.39 |
| AMW | Ames | 1.56 | 0.81 | 2.79 | 7.33 | 2.97 | M | M | M | M | M | M | M | 2.97 | 15.46 |
| AWG | WASHINGTON | 0.49 | 0.05 | 2.46 | 3.40 | 0.40 | M | M | M | M | M | M | M | 0.40 | 6.80 |
| AXA | Algona | 0.19 | M | 1.87 | 3.35 | 0.81 | M | M | M | M | M | M | M | 0.81 | 6.22 |
| BNW | BOONE MUNI | 0.92 | 0.02 | 2.14 | 5.04 | 1.45 | M | M | M | M | M | M | M | 1.45 | 9.57 |
| BRL | BURLINGTON | 0.87 | 0.02 | 3.48 | 6.43 | 1.71 | M | M | M | M | M | M | M | 1.71 | 12.51 |
| CAV | CLARION | 0.27 | 0.03 | 0.54 | 1.13 | 0.55 | M | M | M | M | M | M | M | 0.55 | 2.52 |
| CCY | Charles City | 0.56 | 0.00 | 1.52 | 4.15 | 0.97 | M | M | M | M | M | M | M | 0.97 | 7.20 |
| CID | CEDAR RAPIDS | 0.55 | 0.38 | 1.73 | 6.37 | 1.81 | M | M | M | M | M | M | M | 1.81 | 10.84 |
| CIN | CARROLL | 0.74 | 0.03 | 2.10 | 3.06 | 1.05 | M | M | M | M | M | M | M | 1.05 | 6.98 |
| CKP | Cherokee | 0.09 | M | 1.55 | 2.32 | 1.33 | M | M | M | M | M | M | M | 1.33 | 5.29 |
| CNC | CHARITON | 0.84 | M | 0.91 | 4.33 | 3.20 | M | M | M | M | M | M | M | 3.20 | 9.28 |
| CSQ | CRESTON | 0.90 | 0.05 | 0.86 | 5.68 | 2.29 | M | M | M | M | M | M | M | 2.29 | 9.78 |
| CWI | CLINTON | 0.42 | 0.11 | 2.13 | 3.71 | 1.22 | M | M | M | M | M | M | M | 1.22 | 7.59 |
| DBQ | DUBUQUE | 1.04 | 0.31 | 2.89 | 8.73 | 1.32 | M | M | M | M | M | M | M | 1.32 | 14.29 |
| DEH | DECORAH | 0.80 | 0.02 | 0.85 | 4.17 | 1.59 | M | M | M | M | M | M | M | 1.59 | 7.43 |
| DNS | DENISON | 0.78 | 0.07 | 1.39 | 3.34 | 1.15 | M | M | M | M | M | M | M | 1.15 | 6.73 |
| DSM | Des Moines | 0.89 | 0.71 | 2.31 | 6.83 | 2.08 | M | M | M | M | M | M | M | 2.08 | 12.82 |
| DVN | QUAD CITIES | 0.58 | 0.05 | 2.75 | 5.29 | 1.18 | M | M | M | M | M | M | M | 1.18 | 9.85 |
| EBS | Webster City | 0.64 | 0.01 | 2.18 | 4.74 | 1.63 | M | M | M | M | M | M | M | 1.63 | 9.20 |
| EOK | KEOKUK MUNI | 0.47 | 0.03 | 1.55 | 2.42 | 1.33 | M | M | M | M | M | M | M | 1.33 | 5.80 |
| EST | ESTHERVILLE | 0.23 | 0.01 | 2.44 | 2.76 | 1.79 | M | M | M | M | M | M | M | 1.79 | 7.23 |
| FFL | FAIRFIELD | M | M | 2.01 | 5.80 | M | M | M | M | M | M | M | M | 0.00 | 7.81 |
| FOD | FORT DODGE | 1.03 | 0.16 | 2.11 | 4.11 | 1.32 | M | M | M | M | M | M | M | 1.32 | 8.73 |
| FSW | FORT MADISON | 0.49 | 0.01 | 2.48 | 5.01 | 1.56 | M | M | M | M | M | M | M | 1.56 | 9.55 |
| FXY | Forest City | 0.19 | M | 1.29 | 3.40 | 0.42 | M | M | M | M | M | M | M | 0.42 | 5.30 |
| GGI | Grinnell | 0.72 | 0.34 | 1.29 | 5.97 | 2.40 | M | M | M | M | M | M | M | 2.40 | 10.72 |
| HNR | HARLAN | 0.54 | 0.04 | 1.33 | 2.78 | 1.26 | M | M | M | M | M | M | M | 1.26 | 5.95 |
| HPT | Hampton | 0.83 | M | 1.80 | 5.76 | 0.83 | M | M | M | M | M | M | M | 0.83 | 9.22 |
| I75 | Osceola | 1.07 | 0.28 | 1.45 | 4.39 | 3.34 | M | M | M | M | M | M | M | 3.34 | 10.53 |
| ICL | CLARINDA | 0.51 | 0.01 | 1.06 | 5.33 | 3.15 | M | M | M | M | M | M | M | 3.15 | 10.06 |
| IFA | Iowa Falls | 0.46 | 0.03 | 1.78 | 5.89 | 1.21 | M | M | M | M | M | M | M | 1.21 | 9.37 |
| IIB | INDEPENDENCE | 1.16 | 0.14 | 2.43 | 5.33 | 1.26 | M | M | M | M | M | M | M | 1.26 | 10.32 |
| IKV | ANKENY | 0.52 | 0.33 | 2.66 | 5.49 | 2.35 | M | M | M | M | M | M | M | 2.35 | 11.35 |
| IOW | IOWA CITY | 0.54 | 0.15 | 2.19 | 6.95 | 1.65 | M | M | M | M | M | M | M | 1.65 | 11.48 |
| LWD | LAMONI | 1.21 | 0.01 | 1.79 | 7.54 | 4.94 | M | M | M | M | M | M | M | 4.94 | 15.49 |
| MCW | MASON CITY | 0.99 | 0.32 | 2.14 | 3.16 | 1.62 | M | M | M | M | M | M | M | 1.62 | 8.23 |
| MIW | MARSHALLTOWN | 0.81 | 0.67 | 2.48 | 5.10 | 2.62 | M | M | M | M | M | M | M | 2.62 | 11.68 |
| MPZ | MOUNT PLEASANT | 0.21 | M | 1.64 | 0.30 | M | M | M | M | M | M | M | M | 0.00 | 2.15 |
| MUT | MUSCATINE | 0.43 | 0.01 | 2.44 | 4.22 | 1.31 | M | M | M | M | M | M | M | 1.31 | 8.41 |
| OLZ | OELWEIN | 1.26 | 0.14 | 2.43 | 4.32 | 2.32 | M | M | M | M | M | M | M | 2.32 | 10.47 |
| OOA | Oskaloosa | 0.67 | M | 0.66 | 3.39 | 2.09 | M | M | M | M | M | M | M | 2.09 | 6.81 |
| OTM | OTTUMWA | 0.46 | 0.02 | 1.27 | 4.56 | 2.03 | M | M | M | M | M | M | M | 2.03 | 8.34 |
| OXV | Knoxville | 0.83 | 0.02 | 0.81 | 2.36 | 0.76 | M | M | M | M | M | M | M | 0.76 | 4.78 |
| PEA | PELLA | 0.83 | 0.06 | 1.17 | 5.01 | 3.64 | M | M | M | M | M | M | M | 3.64 | 10.71 |
| PRO | Perry | 1.15 | 0.02 | 1.52 | 4.62 | 1.85 | M | M | M | M | M | M | M | 1.85 | 9.16 |
| RDK | RED OAK | M | M | M | 9.74 | 2.55 | M | M | M | M | M | M | M | 2.55 | 12.29 |
| SHL | SHELDON | 0.03 | 0.04 | 0.29 | 2.71 | 0.89 | M | M | M | M | M | M | M | 0.89 | 3.96 |
| SLB | Storm Lake | 0.22 | M | 1.19 | 1.58 | 0.55 | M | M | M | M | M | M | M | 0.55 | 3.54 |
| SPW | SPENCER | 0.48 | 0.00 | 1.13 | 2.25 | 1.06 | M | M | M | M | M | M | M | 1.06 | 4.92 |
| SUX | SIOUX CITY | 0.28 | 0.01 | 1.67 | 3.46 | 2.18 | M | M | M | M | M | M | M | 2.18 | 7.60 |
| SXK | Sioux County | 0.16 | 0.02 | 0.16 | 2.50 | 1.82 | M | M | M | M | M | M | M | 1.82 | 4.66 |
| TNU | NEWTON MUNI | 0.68 | 0.03 | 1.34 | 4.01 | 1.19 | M | M | M | M | M | M | M | 1.19 | 7.25 |
| TVK | Centerville | 1.00 | M | 2.31 | 7.61 | 3.46 | M | M | M | M | M | M | M | 3.46 | 14.38 |
| VTI | VINTON | 0.87 | 0.28 | 1.21 | 2.73 | 0.53 | M | M | M | M | M | M | M | 0.53 | 5.62 |