| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.64 | -0.19 |
| Feb | 3.24 | 3.45 | -0.21 |
| Mar | 4.05 | 4.13 | -0.08 |
| Apr | 4.27 | 4.37 | -0.10 |
| May | 3.64 | 3.67 | -0.03 |
| Jun | 4.34 | 4.53 | -0.19 |
| Jul | 3.45 | 3.41 | 0.04 |
| Aug | 3.35 | 3.24 | 0.11 |
| Sep | 3.98 | 3.94 | 0.04 |
| Oct | 5.20 | 5.33 | -0.13 |
| Nov | 4.48 | 4.45 | 0.03 |
| Dec | 4.33 | 4.63 | -0.30 |
47.78 | 48.79 | -1.01 |