| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.65 | -0.13 |
| Feb | 2.79 | 2.96 | -0.17 |
| Mar | 3.67 | 3.77 | -0.10 |
| Apr | 3.91 | 4.01 | -0.10 |
| May | 4.10 | 4.24 | -0.14 |
| Jun | 4.61 | 4.84 | -0.23 |
| Jul | 4.79 | 4.89 | -0.10 |
| Aug | 4.04 | 4.35 | -0.31 |
| Sep | 4.05 | 4.24 | -0.19 |
| Oct | 3.34 | 3.42 | -0.08 |
| Nov | 3.51 | 3.61 | -0.10 |
| Dec | 3.60 | 3.59 | 0.01 |
45.93 | 47.57 | -1.64 |