| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.72 | 0.05 |
| Feb | 2.29 | 2.33 | -0.04 |
| Mar | 3.28 | 3.27 | 0.01 |
| Apr | 4.02 | 4.00 | 0.02 |
| May | 4.54 | 4.39 | 0.15 |
| Jun | 4.73 | 4.73 | 0.00 |
| Jul | 4.15 | 4.17 | -0.02 |
| Aug | 3.69 | 3.51 | 0.18 |
| Sep | 3.03 | 3.14 | -0.11 |
| Oct | 3.12 | 3.04 | 0.08 |
| Nov | 3.30 | 3.31 | -0.01 |
| Dec | 2.68 | 2.77 | -0.09 |
41.60 | 41.38 | 0.22 |