| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.58 | -0.21 |
| Feb | 1.99 | 2.03 | -0.04 |
| Mar | 2.24 | 2.16 | 0.08 |
| Apr | 3.59 | 3.55 | 0.04 |
| May | 3.89 | 3.78 | 0.11 |
| Jun | 3.81 | 3.62 | 0.19 |
| Jul | 3.58 | 3.31 | 0.27 |
| Aug | 3.95 | 3.88 | 0.07 |
| Sep | 3.24 | 3.32 | -0.08 |
| Oct | 4.01 | 4.07 | -0.06 |
| Nov | 2.85 | 2.79 | 0.06 |
| Dec | 2.44 | 2.27 | 0.17 |
37.96 | 37.36 | 0.60 |