| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.42 | 0.04 |
| Feb | 3.17 | 3.12 | 0.05 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.13 | 3.23 | -0.10 |
| May | 3.45 | 3.27 | 0.18 |
| Jun | 5.84 | 6.19 | -0.35 |
| Jul | 5.65 | 5.72 | -0.07 |
| Aug | 5.92 | 6.63 | -0.71 |
| Sep | 4.75 | 4.85 | -0.10 |
| Oct | 3.58 | 4.25 | -0.67 |
| Nov | 2.22 | 2.52 | -0.30 |
| Dec | 3.01 | 3.31 | -0.30 |
47.64 | 50.05 | -2.41 |