| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.57 | -0.21 |
| Feb | 2.62 | 2.94 | -0.32 |
| Mar | 3.92 | 4.09 | -0.17 |
| Apr | 3.94 | 3.98 | -0.04 |
| May | 3.82 | 3.90 | -0.08 |
| Jun | 4.53 | 4.77 | -0.24 |
| Jul | 4.35 | 4.48 | -0.13 |
| Aug | 4.47 | 4.60 | -0.13 |
| Sep | 4.34 | 4.41 | -0.07 |
| Oct | 4.57 | 4.72 | -0.15 |
| Nov | 3.60 | 3.80 | -0.20 |
| Dec | 4.13 | 4.55 | -0.42 |
47.65 | 49.81 | -2.16 |