| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.62 | -0.13 |
| Feb | 3.26 | 3.23 | 0.03 |
| Mar | 4.24 | 4.28 | -0.04 |
| Apr | 4.11 | 4.19 | -0.08 |
| May | 3.63 | 3.57 | 0.06 |
| Jun | 4.08 | 4.11 | -0.03 |
| Jul | 3.58 | 3.68 | -0.10 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 3.91 | 3.85 | 0.06 |
| Oct | 4.74 | 4.68 | 0.06 |
| Nov | 3.89 | 3.82 | 0.07 |
| Dec | 4.52 | 4.60 | -0.08 |
47.13 | 47.44 | -0.31 |