| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.18 | 0.15 |
| Feb | 2.64 | 2.47 | 0.17 |
| Mar | 3.87 | 3.72 | 0.15 |
| Apr | 3.79 | 3.64 | 0.15 |
| May | 3.89 | 3.93 | -0.04 |
| Jun | 4.52 | 4.75 | -0.23 |
| Jul | 4.56 | 4.72 | -0.16 |
| Aug | 4.49 | 4.34 | 0.15 |
| Sep | 4.78 | 4.71 | 0.07 |
| Oct | 4.28 | 4.21 | 0.07 |
| Nov | 3.26 | 3.19 | 0.07 |
| Dec | 3.79 | 3.71 | 0.08 |
47.20 | 46.57 | 0.63 |