| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.40 | 6.38 | 0.02 |
| Feb | 4.86 | 4.89 | -0.03 |
| Mar | 5.38 | 5.49 | -0.11 |
| Apr | 4.45 | 4.65 | -0.20 |
| May | 3.12 | 3.35 | -0.23 |
| Jun | 1.66 | 1.81 | -0.15 |
| Jul | 0.36 | 0.41 | -0.05 |
| Aug | 0.51 | 0.52 | -0.01 |
| Sep | 1.49 | 1.52 | -0.03 |
| Oct | 3.75 | 3.86 | -0.11 |
| Nov | 6.53 | 6.71 | -0.18 |
| Dec | 7.48 | 7.71 | -0.23 |
45.99 | 47.30 | -1.31 |