| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.82 | -0.01 |
| Feb | 2.26 | 2.22 | 0.04 |
| Mar | 3.02 | 3.04 | -0.02 |
| Apr | 3.64 | 3.65 | -0.01 |
| May | 3.88 | 3.99 | -0.11 |
| Jun | 4.48 | 4.29 | 0.19 |
| Jul | 4.21 | 3.95 | 0.26 |
| Aug | 3.58 | 3.60 | -0.02 |
| Sep | 3.58 | 3.65 | -0.07 |
| Oct | 3.24 | 3.26 | -0.02 |
| Nov | 2.84 | 2.82 | 0.02 |
| Dec | 2.87 | 2.83 | 0.04 |
40.41 | 40.12 | 0.29 |