| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.43 | 0.02 |
| Feb | 3.15 | 3.09 | 0.06 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.11 | 3.17 | -0.06 |
| May | 3.45 | 3.22 | 0.23 |
| Jun | 5.79 | 6.12 | -0.33 |
| Jul | 5.60 | 5.72 | -0.12 |
| Aug | 5.93 | 6.68 | -0.75 |
| Sep | 4.74 | 4.97 | -0.23 |
| Oct | 3.63 | 4.40 | -0.77 |
| Nov | 2.22 | 2.52 | -0.30 |
| Dec | 2.97 | 3.29 | -0.32 |
47.50 | 50.15 | -2.65 |