| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.24 | 0.06 |
| Feb | 1.14 | 1.07 | 0.07 |
| Mar | 1.71 | 1.61 | 0.10 |
| Apr | 2.81 | 2.77 | 0.04 |
| May | 3.57 | 3.51 | 0.06 |
| Jun | 4.28 | 4.22 | 0.06 |
| Jul | 4.06 | 4.13 | -0.07 |
| Aug | 3.42 | 3.46 | -0.04 |
| Sep | 3.68 | 3.61 | 0.07 |
| Oct | 3.52 | 3.40 | 0.12 |
| Nov | 2.00 | 1.93 | 0.07 |
| Dec | 1.65 | 1.55 | 0.10 |
33.14 | 32.50 | 0.64 |