| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.58 | -0.17 |
| Feb | 2.79 | 2.87 | -0.08 |
| Mar | 4.19 | 4.39 | -0.20 |
| Apr | 3.66 | 3.66 | 0.00 |
| May | 3.57 | 3.72 | -0.15 |
| Jun | 4.22 | 4.33 | -0.11 |
| Jul | 4.72 | 4.66 | 0.06 |
| Aug | 4.44 | 4.75 | -0.31 |
| Sep | 4.12 | 4.15 | -0.03 |
| Oct | 3.83 | 3.99 | -0.16 |
| Nov | 3.18 | 3.23 | -0.05 |
| Dec | 4.16 | 4.35 | -0.19 |
46.29 | 47.68 | -1.39 |