| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.01 | -0.03 |
| Feb | 2.65 | 2.72 | -0.07 |
| Mar | 3.85 | 3.84 | 0.01 |
| Apr | 3.40 | 3.32 | 0.08 |
| May | 4.09 | 4.27 | -0.18 |
| Jun | 4.31 | 4.51 | -0.20 |
| Jul | 4.58 | 4.56 | 0.02 |
| Aug | 3.94 | 3.98 | -0.04 |
| Sep | 4.40 | 4.22 | 0.18 |
| Oct | 3.84 | 3.89 | -0.05 |
| Nov | 3.12 | 3.13 | -0.01 |
| Dec | 3.70 | 3.68 | 0.02 |
44.86 | 45.13 | -0.27 |