Environment & Risk in ZIP Code 51003
Climate & Weather in ZIP Code 51003
Climate normals for Alton city, IA show little to no average snow and around 29.9 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Low) when evaluating long-term housing and insurance exposure.
Climate & Environment key statistics
| Climate | |
|---|---|
| Hardiness zone | 5a |
| Annual precip (in) | 29.85 |
| Snow days | 0 |
| Broadband access | 87.7% |
| Risk & Air Quality | |
|---|---|
| NRI rating | Relatively Low |
| NRI risk index | 52.4 |
| Flood risk (NRI) | 49.5 |
| Wildfire risk (NRI) | 39.7 |
| IRS net migration | 104 |