| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.53 | -0.18 |
| Feb | 2.81 | 3.03 | -0.22 |
| Mar | 3.17 | 3.30 | -0.13 |
| Apr | 3.45 | 4.02 | -0.57 |
| May | 4.32 | 4.22 | 0.10 |
| Jun | 5.32 | 5.42 | -0.10 |
| Jul | 4.28 | 4.17 | 0.11 |
| Aug | 5.23 | 5.41 | -0.18 |
| Sep | 6.36 | 6.57 | -0.21 |
| Oct | 5.15 | 5.16 | -0.01 |
| Nov | 4.03 | 4.60 | -0.57 |
| Dec | 4.28 | 4.41 | -0.13 |
52.75 | 54.84 | -2.09 |