| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.86 | -0.08 |
| Feb | 2.30 | 2.45 | -0.15 |
| Mar | 3.12 | 3.26 | -0.14 |
| Apr | 4.17 | 4.34 | -0.17 |
| May | 4.51 | 4.61 | -0.10 |
| Jun | 4.99 | 4.97 | 0.02 |
| Jul | 4.07 | 4.13 | -0.06 |
| Aug | 3.30 | 3.04 | 0.26 |
| Sep | 3.23 | 3.29 | -0.06 |
| Oct | 3.13 | 3.14 | -0.01 |
| Nov | 3.37 | 3.49 | -0.12 |
| Dec | 2.72 | 2.88 | -0.16 |
41.69 | 42.46 | -0.77 |