| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.14 | -0.13 |
| Feb | 4.25 | 4.45 | -0.20 |
| Mar | 4.52 | 4.79 | -0.27 |
| Apr | 4.30 | 4.50 | -0.20 |
| May | 4.66 | 4.61 | 0.05 |
| Jun | 4.74 | 5.04 | -0.30 |
| Jul | 3.57 | 3.78 | -0.21 |
| Aug | 3.81 | 4.39 | -0.58 |
| Sep | 3.89 | 4.20 | -0.31 |
| Oct | 4.99 | 4.91 | 0.08 |
| Nov | 4.62 | 4.82 | -0.20 |
| Dec | 5.32 | 5.55 | -0.23 |
53.68 | 56.18 | -2.50 |