| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.29 | -0.17 |
| Feb | 0.99 | 1.13 | -0.14 |
| Mar | 1.51 | 1.58 | -0.07 |
| Apr | 2.58 | 2.64 | -0.06 |
| May | 3.19 | 2.97 | 0.22 |
| Jun | 3.49 | 3.38 | 0.11 |
| Jul | 3.45 | 3.21 | 0.24 |
| Aug | 3.03 | 2.90 | 0.13 |
| Sep | 3.31 | 3.21 | 0.10 |
| Oct | 3.06 | 3.27 | -0.21 |
| Nov | 1.87 | 1.84 | 0.03 |
| Dec | 1.44 | 1.66 | -0.22 |
29.04 | 29.08 | -0.04 |