| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.24 | 0.02 |
| Feb | 2.79 | 2.77 | 0.02 |
| Mar | 3.82 | 3.79 | 0.03 |
| Apr | 3.40 | 3.35 | 0.05 |
| May | 4.15 | 4.14 | 0.01 |
| Jun | 4.38 | 4.16 | 0.22 |
| Jul | 4.25 | 4.27 | -0.02 |
| Aug | 4.07 | 4.17 | -0.10 |
| Sep | 4.40 | 4.24 | 0.16 |
| Oct | 3.80 | 3.64 | 0.16 |
| Nov | 3.41 | 3.27 | 0.14 |
| Dec | 3.51 | 3.64 | -0.13 |
45.24 | 44.68 | 0.56 |