| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 3.56 | 0.68 |
| Feb | 2.91 | 2.40 | 0.51 |
| Mar | 2.97 | 2.54 | 0.43 |
| Apr | 2.55 | 2.12 | 0.43 |
| May | 2.21 | 1.89 | 0.32 |
| Jun | 1.58 | 1.43 | 0.15 |
| Jul | 0.95 | 0.79 | 0.16 |
| Aug | 1.09 | 0.87 | 0.22 |
| Sep | 1.73 | 1.46 | 0.27 |
| Oct | 3.39 | 2.81 | 0.58 |
| Nov | 4.90 | 4.11 | 0.79 |
| Dec | 4.12 | 3.35 | 0.77 |
32.64 | 27.33 | 5.31 |