| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.53 | -0.02 |
| Feb | 3.12 | 3.19 | -0.07 |
| Mar | 3.41 | 3.52 | -0.11 |
| Apr | 3.06 | 3.16 | -0.10 |
| May | 3.55 | 3.45 | 0.10 |
| Jun | 4.47 | 4.60 | -0.13 |
| Jul | 4.84 | 4.80 | 0.04 |
| Aug | 4.84 | 4.97 | -0.13 |
| Sep | 4.87 | 5.09 | -0.22 |
| Oct | 3.18 | 3.31 | -0.13 |
| Nov | 3.18 | 3.25 | -0.07 |
| Dec | 3.52 | 3.56 | -0.04 |
45.55 | 46.43 | -0.88 |