| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.15 | -0.16 |
| Feb | 2.48 | 2.51 | -0.03 |
| Mar | 3.62 | 3.70 | -0.08 |
| Apr | 3.60 | 3.51 | 0.09 |
| May | 3.77 | 3.72 | 0.05 |
| Jun | 4.08 | 4.41 | -0.33 |
| Jul | 4.39 | 4.34 | 0.05 |
| Aug | 4.08 | 3.71 | 0.37 |
| Sep | 4.61 | 4.57 | 0.04 |
| Oct | 4.15 | 4.25 | -0.10 |
| Nov | 3.05 | 3.17 | -0.12 |
| Dec | 3.39 | 3.62 | -0.23 |
44.21 | 44.66 | -0.45 |