| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.80 | 5.39 | 0.41 |
| Feb | 4.15 | 3.80 | 0.35 |
| Mar | 4.25 | 3.89 | 0.36 |
| Apr | 3.51 | 3.28 | 0.23 |
| May | 2.46 | 2.10 | 0.36 |
| Jun | 1.46 | 1.25 | 0.21 |
| Jul | 0.47 | 0.41 | 0.06 |
| Aug | 0.41 | 0.41 | 0.00 |
| Sep | 0.96 | 0.83 | 0.13 |
| Oct | 2.80 | 2.56 | 0.24 |
| Nov | 5.51 | 5.39 | 0.12 |
| Dec | 6.94 | 6.85 | 0.09 |
38.72 | 36.16 | 2.56 |