| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.04 | 0.00 |
| Feb | 2.41 | 2.38 | 0.03 |
| Mar | 3.48 | 3.38 | 0.10 |
| Apr | 4.29 | 4.12 | 0.17 |
| May | 4.65 | 4.53 | 0.12 |
| Jun | 4.47 | 4.46 | 0.01 |
| Jul | 4.27 | 4.28 | -0.01 |
| Aug | 3.19 | 3.18 | 0.01 |
| Sep | 3.18 | 3.05 | 0.13 |
| Oct | 2.89 | 2.86 | 0.03 |
| Nov | 3.08 | 2.94 | 0.14 |
| Dec | 3.05 | 3.01 | 0.04 |
42.00 | 41.23 | 0.77 |