| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.51 | -0.03 |
| Feb | 2.04 | 2.06 | -0.02 |
| Mar | 2.39 | 2.40 | -0.01 |
| Apr | 3.68 | 3.75 | -0.07 |
| May | 4.39 | 4.39 | 0.00 |
| Jun | 4.52 | 4.55 | -0.03 |
| Jul | 3.99 | 4.02 | -0.03 |
| Aug | 4.00 | 3.96 | 0.04 |
| Sep | 3.01 | 2.96 | 0.05 |
| Oct | 2.96 | 2.91 | 0.05 |
| Nov | 2.86 | 2.97 | -0.11 |
| Dec | 2.31 | 2.32 | -0.01 |
38.63 | 38.80 | -0.17 |