| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.53 | -0.07 |
| Feb | 3.02 | 2.91 | 0.11 |
| Mar | 4.02 | 3.88 | 0.14 |
| Apr | 4.09 | 4.11 | -0.02 |
| May | 4.58 | 4.81 | -0.23 |
| Jun | 4.39 | 4.38 | 0.01 |
| Jul | 4.29 | 4.10 | 0.19 |
| Aug | 3.88 | 3.82 | 0.06 |
| Sep | 4.02 | 4.11 | -0.09 |
| Oct | 2.95 | 2.94 | 0.01 |
| Nov | 3.19 | 3.24 | -0.05 |
| Dec | 3.77 | 3.55 | 0.22 |
45.66 | 45.38 | 0.28 |