| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.18 | 6.31 | -0.13 |
| Feb | 4.58 | 4.52 | 0.06 |
| Mar | 4.96 | 4.97 | -0.01 |
| Apr | 3.89 | 3.67 | 0.22 |
| May | 2.84 | 2.62 | 0.22 |
| Jun | 1.88 | 1.66 | 0.22 |
| Jul | 0.45 | 0.40 | 0.05 |
| Aug | 0.58 | 0.48 | 0.10 |
| Sep | 1.64 | 1.55 | 0.09 |
| Oct | 3.95 | 3.82 | 0.13 |
| Nov | 6.49 | 6.44 | 0.05 |
| Dec | 7.10 | 7.13 | -0.03 |
44.54 | 43.57 | 0.97 |