| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.18 | -0.06 |
| Feb | 3.25 | 3.20 | 0.05 |
| Mar | 3.61 | 3.68 | -0.07 |
| Apr | 3.73 | 3.58 | 0.15 |
| May | 4.80 | 4.84 | -0.04 |
| Jun | 5.00 | 4.61 | 0.39 |
| Jul | 3.39 | 3.22 | 0.17 |
| Aug | 3.97 | 4.03 | -0.06 |
| Sep | 4.03 | 4.18 | -0.15 |
| Oct | 5.20 | 5.10 | 0.10 |
| Nov | 4.52 | 4.58 | -0.06 |
| Dec | 4.23 | 4.20 | 0.03 |
49.85 | 49.40 | 0.45 |