| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 3.82 | 0.34 |
| Feb | 2.81 | 2.55 | 0.26 |
| Mar | 2.85 | 2.52 | 0.33 |
| Apr | 2.42 | 2.12 | 0.30 |
| May | 2.04 | 1.92 | 0.12 |
| Jun | 1.49 | 1.40 | 0.09 |
| Jul | 0.90 | 0.77 | 0.13 |
| Aug | 1.03 | 0.85 | 0.18 |
| Sep | 1.65 | 1.53 | 0.12 |
| Oct | 3.31 | 3.00 | 0.31 |
| Nov | 4.82 | 4.32 | 0.50 |
| Dec | 3.97 | 3.61 | 0.36 |
31.45 | 28.41 | 3.04 |