| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.68 | 0.05 |
| Feb | 3.29 | 3.18 | 0.11 |
| Mar | 4.00 | 3.89 | 0.11 |
| Apr | 3.61 | 3.65 | -0.04 |
| May | 4.09 | 4.12 | -0.03 |
| Jun | 4.85 | 4.75 | 0.10 |
| Jul | 5.80 | 5.57 | 0.23 |
| Aug | 6.13 | 5.75 | 0.38 |
| Sep | 6.69 | 6.48 | 0.21 |
| Oct | 3.55 | 3.63 | -0.08 |
| Nov | 3.31 | 3.30 | 0.01 |
| Dec | 3.49 | 3.39 | 0.10 |
52.54 | 51.39 | 1.15 |