| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.55 | -0.03 |
| Feb | 1.59 | 1.61 | -0.02 |
| Mar | 2.22 | 2.13 | 0.09 |
| Apr | 3.61 | 3.65 | -0.04 |
| May | 4.16 | 4.17 | -0.01 |
| Jun | 5.51 | 5.32 | 0.19 |
| Jul | 4.07 | 3.76 | 0.31 |
| Aug | 4.20 | 4.04 | 0.16 |
| Sep | 3.72 | 3.76 | -0.04 |
| Oct | 2.89 | 2.90 | -0.01 |
| Nov | 2.38 | 2.32 | 0.06 |
| Dec | 1.94 | 1.91 | 0.03 |
37.81 | 37.12 | 0.69 |