| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.15 | -0.05 |
| Feb | 3.84 | 3.99 | -0.15 |
| Mar | 4.49 | 4.53 | -0.04 |
| Apr | 3.04 | 3.19 | -0.15 |
| May | 3.16 | 3.08 | 0.08 |
| Jun | 4.14 | 4.36 | -0.22 |
| Jul | 4.11 | 4.26 | -0.15 |
| Aug | 4.41 | 4.63 | -0.22 |
| Sep | 3.62 | 3.84 | -0.22 |
| Oct | 2.82 | 2.86 | -0.04 |
| Nov | 3.15 | 3.19 | -0.04 |
| Dec | 4.11 | 4.18 | -0.07 |
44.99 | 46.26 | -1.27 |