| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.42 | -0.20 |
| Feb | 1.97 | 2.12 | -0.15 |
| Mar | 2.31 | 2.37 | -0.06 |
| Apr | 3.55 | 3.66 | -0.11 |
| May | 4.40 | 4.14 | 0.26 |
| Jun | 4.39 | 4.32 | 0.07 |
| Jul | 4.00 | 4.14 | -0.14 |
| Aug | 4.31 | 4.19 | 0.12 |
| Sep | 3.36 | 3.36 | 0.00 |
| Oct | 3.57 | 3.78 | -0.21 |
| Nov | 2.66 | 2.83 | -0.17 |
| Dec | 2.21 | 2.31 | -0.10 |
38.95 | 39.64 | -0.69 |