This table was generated at 16 May 2012 08 pm and is based on ASOS issued daily summary messages (DSM). No attempt was made to estimate missing data.
| ID | Name | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | MJJA | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EST | ESTHERVILLE | 0.20 | 1.72 | 1.14 | 3.45 | 2.28 | M | M | M | M | M | M | M | 2.28 | 8.79 |
| MCW | MASON CITY | 0.52 | 1.06 | 2.43 | 4.02 | 1.87 | M | M | M | M | M | M | M | 1.87 | 9.90 |
| SUX | SIOUX CITY | 0.36 | 2.24 | 0.70 | 4.82 | 1.00 | M | M | M | M | M | M | M | 1.00 | 9.12 |
| DVN | QUAD CITIES | 0.25 | 1.67 | 2.17 | 4.23 | 3.19 | M | M | M | M | M | M | M | 3.19 | 11.51 |
| IOW | IOWA CITY | 0.25 | 1.46 | 1.35 | 4.44 | 2.53 | M | M | M | M | M | M | M | 2.53 | 10.03 |
| OTM | OTTUMWA | 0.25 | 1.53 | 2.32 | 4.06 | 1.97 | M | M | M | M | M | M | M | 1.97 | 10.13 |
| DBQ | DUBUQUE | 5.17 | 5.05 | 2.61 | 2.24 | 0.53 | M | M | M | M | M | M | M | 0.53 | 15.60 |
| LWD | LAMONI | 0.26 | 2.01 | 3.74 | 3.62 | 2.47 | M | M | M | M | M | M | M | 2.47 | 12.10 |
| ALO | Waterloo | 1.00 | 1.08 | 1.27 | 3.75 | 1.12 | M | M | M | M | M | M | M | 1.12 | 8.22 |
| AMW | Ames | 0.00 | 0.00 | 2.86 | 5.04 | 1.51 | M | M | M | M | M | M | M | 1.51 | 9.41 |
| CID | CEDAR RAPIDS | 0.39 | 1.20 | 2.46 | 3.51 | 0.97 | M | M | M | M | M | M | M | 0.97 | 8.53 |
| BRL | BURLINGTON | 0.31 | 1.42 | 1.08 | 2.22 | 4.43 | M | M | M | M | M | M | M | 4.43 | 9.46 |
| MIW | MARSHALLTOWN | 0.22 | 0.67 | 1.50 | 3.66 | 0.53 | M | M | M | M | M | M | M | 0.53 | 6.58 |
| DSM | DES MOINES | 0.42 | 1.77 | 1.73 | 5.89 | 1.99 | M | M | M | M | M | M | M | 1.99 | 11.80 |
| SPW | SPENCER | 0.42 | 1.88 | 0.87 | 3.88 | 1.69 | M | M | M | M | M | M | M | 1.69 | 8.74 |