| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.77 | 0.09 |
| Feb | 4.13 | 4.32 | -0.19 |
| Mar | 4.68 | 4.59 | 0.09 |
| Apr | 4.13 | 4.41 | -0.28 |
| May | 4.67 | 4.31 | 0.36 |
| Jun | 4.51 | 4.58 | -0.07 |
| Jul | 3.22 | 3.30 | -0.08 |
| Aug | 3.62 | 3.73 | -0.11 |
| Sep | 3.96 | 3.74 | 0.22 |
| Oct | 4.86 | 4.42 | 0.44 |
| Nov | 4.74 | 4.52 | 0.22 |
| Dec | 5.07 | 5.15 | -0.08 |
52.45 | 51.84 | 0.61 |