| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.25 | -0.08 |
| Feb | 2.39 | 2.36 | 0.03 |
| Mar | 3.47 | 3.39 | 0.08 |
| Apr | 4.38 | 4.45 | -0.07 |
| May | 4.61 | 4.69 | -0.08 |
| Jun | 4.77 | 4.88 | -0.11 |
| Jul | 4.40 | 4.22 | 0.18 |
| Aug | 3.18 | 3.10 | 0.08 |
| Sep | 3.21 | 3.14 | 0.07 |
| Oct | 3.00 | 3.06 | -0.06 |
| Nov | 3.22 | 3.24 | -0.02 |
| Dec | 3.18 | 3.18 | 0.00 |
42.98 | 42.96 | 0.02 |