| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.94 | 2.04 | -0.10 |
| Feb | 1.84 | 1.94 | -0.10 |
| Mar | 2.25 | 2.24 | 0.01 |
| Apr | 3.72 | 3.75 | -0.03 |
| May | 4.50 | 4.64 | -0.14 |
| Jun | 4.47 | 4.31 | 0.16 |
| Jul | 3.80 | 3.65 | 0.15 |
| Aug | 3.75 | 4.05 | -0.30 |
| Sep | 3.32 | 3.37 | -0.05 |
| Oct | 3.28 | 3.39 | -0.11 |
| Nov | 2.45 | 2.52 | -0.07 |
| Dec | 2.11 | 2.18 | -0.07 |
37.43 | 38.08 | -0.65 |