| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.87 | -0.10 |
| Feb | 1.69 | 1.81 | -0.12 |
| Mar | 2.20 | 2.26 | -0.06 |
| Apr | 3.78 | 3.81 | -0.03 |
| May | 4.13 | 4.24 | -0.11 |
| Jun | 4.47 | 4.54 | -0.07 |
| Jul | 3.51 | 3.66 | -0.15 |
| Aug | 3.64 | 3.61 | 0.03 |
| Sep | 3.49 | 3.47 | 0.02 |
| Oct | 3.06 | 3.09 | -0.03 |
| Nov | 2.39 | 2.37 | 0.02 |
| Dec | 1.96 | 2.08 | -0.12 |
36.09 | 36.81 | -0.72 |