| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.35 | 0.02 |
| Feb | 3.16 | 3.05 | 0.11 |
| Mar | 3.39 | 3.40 | -0.01 |
| Apr | 3.22 | 3.26 | -0.04 |
| May | 3.16 | 3.04 | 0.12 |
| Jun | 5.35 | 5.50 | -0.15 |
| Jul | 5.83 | 5.43 | 0.40 |
| Aug | 6.38 | 6.62 | -0.24 |
| Sep | 4.56 | 4.57 | -0.01 |
| Oct | 3.97 | 3.83 | 0.14 |
| Nov | 2.56 | 2.49 | 0.07 |
| Dec | 3.16 | 3.29 | -0.13 |
48.11 | 47.83 | 0.28 |