This table was generated at 24 Nov 2009 11 am 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 | 0.18 | 0.44 | 2.52 | 2.41 | 1.75 | 2.14 | 5.89 | 2.29 | 1.88 | 7.03 | 1.09 | M | 12.07 | 27.62 |
| DBQ | DUBUQUE | 1.18 | 2.26 | 4.28 | 4.77 | 4.68 | 2.95 | 7.48 | 7.00 | 1.72 | 7.06 | 0.11 | M | 22.11 | 43.49 |
| AMW | AMES | 0.40 | 0.21 | 4.14 | 4.15 | 5.59 | 3.17 | 2.36 | 3.99 | 1.19 | 7.87 | 0.40 | M | 15.11 | 33.47 |
| CID | CEDAR RAPIDS | 0.30 | 0.76 | 3.26 | 3.38 | 3.60 | 5.28 | 6.02 | 14.44 | 1.40 | 6.30 | 0.63 | M | 29.34 | 45.37 |
| DSM | DES MOINES | 0.61 | 0.56 | 4.73 | 5.49 | 3.79 | 4.69 | 2.36 | 4.29 | 1.22 | 6.53 | 0.93 | M | 15.13 | 35.20 |
| MCW | MASON CITY | 0.34 | 0.84 | 2.03 | 2.78 | 5.32 | 2.69 | 4.18 | 2.68 | 1.99 | 5.85 | 0.32 | M | 14.87 | 29.02 |
| IOW | IOWA CITY | 0.37 | 0.81 | 4.61 | 3.18 | 4.36 | 3.39 | 5.91 | 7.75 | 1.19 | 7.25 | 1.01 | M | 21.41 | 39.83 |
| LWD | LAMONI | 0.18 | 0.54 | 5.28 | 4.21 | 6.33 | 6.48 | 2.60 | 6.98 | 0.37 | 6.14 | 2.72 | M | 22.39 | 41.83 |
| ALO | WATERLOO | 0.60 | 0.58 | 3.08 | 4.63 | 4.11 | 3.60 | 5.52 | 5.38 | 2.13 | 5.86 | 0.33 | M | 18.61 | 35.82 |
| MIW | MARSHALLTOWN | 0.06 | 2.67 | 2.38 | 5.32 | 2.13 | 4.43 | 1.52 | 5.79 | 3.91 | 6.08 | 0.24 | M | 13.87 | 34.54 |
| SUX | SIOUX CITY | 0.43 | 0.70 | 1.44 | 1.49 | 1.01 | 5.44 | 5.56 | 3.53 | 4.58 | 5.56 | 0.76 | M | 15.54 | 30.50 |
| DVN | QUAD CITIES | 0.15 | 1.32 | 5.19 | 4.47 | 3.28 | 6.51 | 6.99 | 7.65 | 1.79 | 5.64 | 0.43 | M | 24.43 | 43.42 |
| SPW | SPENCER | 0.10 | 0.85 | 1.26 | 1.26 | 3.34 | 2.89 | 5.19 | 1.42 | 1.55 | 4.47 | 1.27 | M | 12.84 | 23.61 |
| OTM | OTTUMWA | 0.12 | 0.91 | 4.45 | 3.75 | 5.09 | 8.77 | 4.07 | 9.39 | 4.60 | 5.99 | 2.32 | M | 27.32 | 49.46 |
| BRL | BURLINGTON | 0.13 | 1.74 | 5.91 | 6.28 | 4.78 | 7.35 | 4.80 | 9.53 | 1.06 | 7.17 | 1.80 | M | 26.46 | 50.55 |