| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.40 | -0.29 |
| Feb | 3.58 | 3.85 | -0.27 |
| Mar | 5.11 | 5.18 | -0.07 |
| Apr | 4.39 | 4.45 | -0.06 |
| May | 3.54 | 3.50 | 0.04 |
| Jun | 3.66 | 3.63 | 0.03 |
| Jul | 2.99 | 2.87 | 0.12 |
| Aug | 3.66 | 3.85 | -0.19 |
| Sep | 4.18 | 4.11 | 0.07 |
| Oct | 5.04 | 4.82 | 0.22 |
| Nov | 4.45 | 4.35 | 0.10 |
| Dec | 4.92 | 5.33 | -0.41 |
49.63 | 50.34 | -0.71 |