| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.48 | 6.18 | 0.30 |
| Feb | 4.97 | 4.81 | 0.16 |
| Mar | 5.32 | 5.07 | 0.25 |
| Apr | 4.54 | 4.40 | 0.14 |
| May | 3.13 | 3.10 | 0.03 |
| Jun | 1.83 | 1.80 | 0.03 |
| Jul | 0.38 | 0.39 | -0.01 |
| Aug | 0.51 | 0.43 | 0.08 |
| Sep | 1.57 | 1.64 | -0.07 |
| Oct | 3.88 | 3.89 | -0.01 |
| Nov | 6.77 | 6.54 | 0.23 |
| Dec | 7.70 | 7.57 | 0.13 |
47.08 | 45.82 | 1.26 |