| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.55 | -0.01 |
| Feb | 2.98 | 2.85 | 0.13 |
| Mar | 3.93 | 3.87 | 0.06 |
| Apr | 3.43 | 3.42 | 0.01 |
| May | 3.53 | 3.49 | 0.04 |
| Jun | 4.32 | 4.50 | -0.18 |
| Jul | 4.98 | 4.90 | 0.08 |
| Aug | 5.17 | 5.15 | 0.02 |
| Sep | 5.50 | 5.78 | -0.28 |
| Oct | 3.42 | 3.39 | 0.03 |
| Nov | 3.21 | 3.10 | 0.11 |
| Dec | 3.31 | 3.30 | 0.01 |
47.32 | 47.30 | 0.02 |