| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.29 | -0.04 |
| Feb | 1.96 | 2.03 | -0.07 |
| Mar | 2.63 | 2.68 | -0.05 |
| Apr | 4.12 | 4.18 | -0.06 |
| May | 4.47 | 4.55 | -0.08 |
| Jun | 4.45 | 4.53 | -0.08 |
| Jul | 4.03 | 4.05 | -0.02 |
| Aug | 3.21 | 2.92 | 0.29 |
| Sep | 3.01 | 3.03 | -0.02 |
| Oct | 3.25 | 3.27 | -0.02 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 2.31 | 2.40 | -0.09 |
38.90 | 39.17 | -0.27 |