| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.83 | -0.10 |
| Feb | 2.24 | 2.52 | -0.28 |
| Mar | 2.87 | 3.29 | -0.42 |
| Apr | 3.30 | 3.32 | -0.02 |
| May | 3.57 | 3.42 | 0.15 |
| Jun | 4.28 | 4.24 | 0.04 |
| Jul | 4.00 | 4.11 | -0.11 |
| Aug | 4.27 | 4.30 | -0.03 |
| Sep | 4.27 | 4.40 | -0.13 |
| Oct | 4.05 | 4.24 | -0.19 |
| Nov | 3.00 | 3.01 | -0.01 |
| Dec | 3.32 | 3.67 | -0.35 |
41.90 | 43.35 | -1.45 |