| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.39 | 0.15 |
| Feb | 3.35 | 3.15 | 0.20 |
| Mar | 4.25 | 4.23 | 0.02 |
| Apr | 4.18 | 4.11 | 0.07 |
| May | 4.97 | 5.02 | -0.05 |
| Jun | 4.85 | 4.79 | 0.06 |
| Jul | 5.17 | 5.47 | -0.30 |
| Aug | 4.09 | 3.97 | 0.12 |
| Sep | 3.63 | 3.67 | -0.04 |
| Oct | 2.97 | 2.85 | 0.12 |
| Nov | 2.99 | 2.96 | 0.03 |
| Dec | 3.74 | 3.76 | -0.02 |
47.73 | 47.37 | 0.36 |