| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.39 | 5.25 | 0.14 |
| Feb | 5.48 | 5.38 | 0.10 |
| Mar | 5.52 | 5.53 | -0.01 |
| Apr | 5.13 | 5.36 | -0.23 |
| May | 4.30 | 4.65 | -0.35 |
| Jun | 5.04 | 5.03 | 0.01 |
| Jul | 4.95 | 4.82 | 0.13 |
| Aug | 4.25 | 4.66 | -0.41 |
| Sep | 4.20 | 4.50 | -0.30 |
| Oct | 3.47 | 3.55 | -0.08 |
| Nov | 4.53 | 4.72 | -0.19 |
| Dec | 5.19 | 5.47 | -0.28 |
57.45 | 58.92 | -1.47 |