| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.42 | 1.50 | -0.08 |
| Feb | 1.47 | 1.55 | -0.08 |
| Mar | 2.11 | 2.12 | -0.01 |
| Apr | 3.74 | 3.90 | -0.16 |
| May | 4.21 | 4.24 | -0.03 |
| Jun | 5.52 | 5.49 | 0.03 |
| Jul | 4.60 | 4.44 | 0.16 |
| Aug | 4.21 | 4.31 | -0.10 |
| Sep | 3.68 | 3.49 | 0.19 |
| Oct | 2.94 | 3.02 | -0.08 |
| Nov | 2.30 | 2.39 | -0.09 |
| Dec | 1.67 | 1.81 | -0.14 |
37.87 | 38.26 | -0.39 |