| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 3.03 | -0.15 |
| Feb | 2.36 | 2.39 | -0.03 |
| Mar | 3.46 | 3.45 | 0.01 |
| Apr | 3.96 | 3.99 | -0.03 |
| May | 4.27 | 4.12 | 0.15 |
| Jun | 4.43 | 4.44 | -0.01 |
| Jul | 4.32 | 4.51 | -0.19 |
| Aug | 3.67 | 3.56 | 0.11 |
| Sep | 3.31 | 3.24 | 0.07 |
| Oct | 2.91 | 2.92 | -0.01 |
| Nov | 2.85 | 2.87 | -0.02 |
| Dec | 3.02 | 3.09 | -0.07 |
41.44 | 41.61 | -0.17 |