| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 4.46 | 0.42 |
| Feb | 4.27 | 3.99 | 0.28 |
| Mar | 4.87 | 4.68 | 0.19 |
| Apr | 4.55 | 4.22 | 0.33 |
| May | 4.38 | 4.23 | 0.15 |
| Jun | 4.66 | 4.39 | 0.27 |
| Jul | 4.77 | 4.69 | 0.08 |
| Aug | 5.33 | 5.14 | 0.19 |
| Sep | 4.63 | 4.24 | 0.39 |
| Oct | 4.04 | 3.80 | 0.24 |
| Nov | 4.26 | 4.12 | 0.14 |
| Dec | 5.26 | 4.90 | 0.36 |
55.90 | 52.86 | 3.04 |