| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.05 | -0.15 |
| Feb | 2.33 | 2.54 | -0.21 |
| Mar | 3.27 | 3.31 | -0.04 |
| Apr | 4.62 | 4.79 | -0.17 |
| May | 4.38 | 4.61 | -0.23 |
| Jun | 4.96 | 5.08 | -0.12 |
| Jul | 4.11 | 4.22 | -0.11 |
| Aug | 3.15 | 3.07 | 0.08 |
| Sep | 2.95 | 3.08 | -0.13 |
| Oct | 3.52 | 3.73 | -0.21 |
| Nov | 3.49 | 3.58 | -0.09 |
| Dec | 2.83 | 2.97 | -0.14 |
42.51 | 44.03 | -1.52 |