| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.61 | -0.04 |
| Feb | 1.77 | 1.81 | -0.04 |
| Mar | 2.99 | 3.06 | -0.07 |
| Apr | 4.65 | 4.72 | -0.07 |
| May | 6.23 | 6.50 | -0.27 |
| Jun | 5.57 | 5.61 | -0.04 |
| Jul | 4.48 | 4.38 | 0.10 |
| Aug | 3.71 | 3.83 | -0.12 |
| Sep | 4.45 | 4.57 | -0.12 |
| Oct | 3.55 | 3.68 | -0.13 |
| Nov | 2.84 | 2.87 | -0.03 |
| Dec | 2.20 | 2.21 | -0.01 |
44.01 | 44.85 | -0.84 |