| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.53 | -0.04 |
| Feb | 2.07 | 2.20 | -0.13 |
| Mar | 2.61 | 2.53 | 0.08 |
| Apr | 3.73 | 3.61 | 0.12 |
| May | 4.23 | 4.19 | 0.04 |
| Jun | 4.79 | 4.55 | 0.24 |
| Jul | 4.42 | 4.64 | -0.22 |
| Aug | 4.30 | 4.52 | -0.22 |
| Sep | 3.34 | 3.25 | 0.09 |
| Oct | 3.34 | 3.32 | 0.02 |
| Nov | 2.85 | 2.77 | 0.08 |
| Dec | 2.34 | 2.32 | 0.02 |
40.51 | 40.43 | 0.08 |