| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.71 | -0.01 |
| Feb | 2.30 | 2.41 | -0.11 |
| Mar | 3.11 | 3.12 | -0.01 |
| Apr | 4.36 | 4.46 | -0.10 |
| May | 4.61 | 4.63 | -0.02 |
| Jun | 4.96 | 4.92 | 0.04 |
| Jul | 4.37 | 4.27 | 0.10 |
| Aug | 3.46 | 3.36 | 0.10 |
| Sep | 3.13 | 3.15 | -0.02 |
| Oct | 3.37 | 3.31 | 0.06 |
| Nov | 3.36 | 3.56 | -0.20 |
| Dec | 2.81 | 2.85 | -0.04 |
42.54 | 42.75 | -0.21 |