| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.50 | 0.21 |
| Feb | 2.46 | 2.53 | -0.07 |
| Mar | 3.07 | 2.86 | 0.21 |
| Apr | 3.35 | 3.31 | 0.04 |
| May | 3.55 | 3.50 | 0.05 |
| Jun | 4.26 | 4.15 | 0.11 |
| Jul | 3.96 | 4.08 | -0.12 |
| Aug | 3.89 | 3.91 | -0.02 |
| Sep | 3.68 | 3.47 | 0.21 |
| Oct | 3.86 | 4.01 | -0.15 |
| Nov | 2.93 | 2.85 | 0.08 |
| Dec | 3.22 | 3.37 | -0.15 |
40.94 | 40.54 | 0.40 |