| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.36 | 0.13 |
| Feb | 3.67 | 3.55 | 0.12 |
| Mar | 4.71 | 4.57 | 0.14 |
| Apr | 5.31 | 5.23 | 0.08 |
| May | 5.38 | 5.23 | 0.15 |
| Jun | 5.05 | 5.20 | -0.15 |
| Jul | 5.38 | 5.20 | 0.18 |
| Aug | 5.39 | 5.04 | 0.35 |
| Sep | 5.50 | 5.01 | 0.49 |
| Oct | 4.34 | 4.10 | 0.24 |
| Nov | 4.35 | 4.25 | 0.10 |
| Dec | 4.35 | 4.31 | 0.04 |
57.92 | 56.05 | 1.87 |