| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 2.92 | -0.02 |
| Feb | 2.39 | 2.34 | 0.05 |
| Mar | 3.39 | 3.31 | 0.08 |
| Apr | 4.16 | 4.22 | -0.06 |
| May | 4.69 | 4.56 | 0.13 |
| Jun | 4.86 | 4.85 | 0.01 |
| Jul | 4.15 | 4.22 | -0.07 |
| Aug | 3.52 | 3.44 | 0.08 |
| Sep | 3.08 | 3.15 | -0.07 |
| Oct | 3.16 | 3.06 | 0.10 |
| Nov | 3.36 | 3.32 | 0.04 |
| Dec | 2.86 | 2.89 | -0.03 |
42.52 | 42.28 | 0.24 |