| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.32 | -0.04 |
| Feb | 3.10 | 3.12 | -0.02 |
| Mar | 4.13 | 4.12 | 0.01 |
| Apr | 4.47 | 4.55 | -0.08 |
| May | 4.98 | 4.85 | 0.13 |
| Jun | 4.70 | 4.52 | 0.18 |
| Jul | 4.52 | 4.56 | -0.04 |
| Aug | 3.43 | 3.48 | -0.05 |
| Sep | 3.20 | 3.20 | 0.00 |
| Oct | 3.27 | 3.18 | 0.09 |
| Nov | 3.12 | 3.11 | 0.01 |
| Dec | 3.63 | 3.55 | 0.08 |
45.83 | 45.56 | 0.27 |