| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.03 | -0.07 |
| Feb | 2.38 | 2.40 | -0.02 |
| Mar | 3.13 | 3.13 | 0.00 |
| Apr | 3.83 | 3.77 | 0.06 |
| May | 3.97 | 3.86 | 0.11 |
| Jun | 4.55 | 4.44 | 0.11 |
| Jul | 4.45 | 4.42 | 0.03 |
| Aug | 3.77 | 3.75 | 0.02 |
| Sep | 3.83 | 3.78 | 0.05 |
| Oct | 3.26 | 3.21 | 0.05 |
| Nov | 3.02 | 2.97 | 0.05 |
| Dec | 3.15 | 3.13 | 0.02 |
42.30 | 41.89 | 0.41 |