| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.08 | -0.08 |
| Feb | 2.29 | 2.36 | -0.07 |
| Mar | 3.28 | 3.36 | -0.08 |
| Apr | 4.20 | 4.24 | -0.04 |
| May | 4.45 | 4.48 | -0.03 |
| Jun | 4.29 | 4.44 | -0.15 |
| Jul | 4.05 | 4.07 | -0.02 |
| Aug | 3.12 | 3.04 | 0.08 |
| Sep | 2.98 | 3.10 | -0.12 |
| Oct | 2.89 | 2.93 | -0.04 |
| Nov | 3.00 | 3.02 | -0.02 |
| Dec | 2.94 | 3.06 | -0.12 |
40.49 | 41.18 | -0.69 |