| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.69 | -0.01 |
| Feb | 3.62 | 3.70 | -0.08 |
| Mar | 3.66 | 3.74 | -0.08 |
| Apr | 3.15 | 3.19 | -0.04 |
| May | 3.34 | 3.28 | 0.06 |
| Jun | 5.63 | 5.44 | 0.19 |
| Jul | 5.34 | 5.23 | 0.11 |
| Aug | 5.72 | 5.91 | -0.19 |
| Sep | 3.96 | 3.97 | -0.01 |
| Oct | 3.12 | 2.99 | 0.13 |
| Nov | 2.67 | 2.66 | 0.01 |
| Dec | 3.51 | 3.57 | -0.06 |
47.40 | 47.37 | 0.03 |