| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.27 | -0.05 |
| Feb | 1.98 | 2.11 | -0.13 |
| Mar | 2.61 | 2.69 | -0.08 |
| Apr | 3.98 | 3.95 | 0.03 |
| May | 4.35 | 4.41 | -0.06 |
| Jun | 4.57 | 4.62 | -0.05 |
| Jul | 4.24 | 4.22 | 0.02 |
| Aug | 3.28 | 3.21 | 0.07 |
| Sep | 3.10 | 3.18 | -0.08 |
| Oct | 3.27 | 3.27 | 0.00 |
| Nov | 3.11 | 3.12 | -0.01 |
| Dec | 2.26 | 2.37 | -0.11 |
38.97 | 39.42 | -0.45 |