| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 2.77 | 0.63 |
| Feb | 3.08 | 2.52 | 0.56 |
| Mar | 3.47 | 3.13 | 0.34 |
| Apr | 3.03 | 2.52 | 0.51 |
| May | 3.40 | 2.50 | 0.90 |
| Jun | 5.50 | 4.48 | 1.02 |
| Jul | 5.57 | 4.29 | 1.28 |
| Aug | 6.18 | 6.00 | 0.18 |
| Sep | 4.79 | 4.91 | -0.12 |
| Oct | 3.83 | 4.19 | -0.36 |
| Nov | 2.22 | 2.08 | 0.14 |
| Dec | 2.89 | 2.58 | 0.31 |
47.36 | 41.97 | 5.39 |