| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.53 | 5.62 | -0.09 |
| Feb | 5.02 | 4.97 | 0.05 |
| Mar | 5.40 | 5.29 | 0.11 |
| Apr | 6.14 | 6.32 | -0.18 |
| May | 4.57 | 4.94 | -0.37 |
| Jun | 4.19 | 4.21 | -0.02 |
| Jul | 3.95 | 4.16 | -0.21 |
| Aug | 3.77 | 4.06 | -0.29 |
| Sep | 3.32 | 3.60 | -0.28 |
| Oct | 4.64 | 4.92 | -0.28 |
| Nov | 4.51 | 4.61 | -0.10 |
| Dec | 5.42 | 5.44 | -0.02 |
56.46 | 58.14 | -1.68 |