| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.47 | -0.07 |
| Feb | 2.36 | 2.46 | -0.10 |
| Mar | 3.48 | 3.68 | -0.20 |
| Apr | 4.77 | 4.78 | -0.01 |
| May | 5.44 | 5.55 | -0.11 |
| Jun | 4.39 | 4.42 | -0.03 |
| Jul | 4.29 | 4.05 | 0.24 |
| Aug | 3.93 | 3.89 | 0.04 |
| Sep | 4.08 | 4.15 | -0.07 |
| Oct | 3.44 | 3.39 | 0.05 |
| Nov | 3.50 | 3.62 | -0.12 |
| Dec | 2.55 | 2.61 | -0.06 |
44.63 | 45.07 | -0.44 |