| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.18 | 0.10 |
| Feb | 1.08 | 1.06 | 0.02 |
| Mar | 1.69 | 1.69 | 0.00 |
| Apr | 2.89 | 2.91 | -0.02 |
| May | 3.75 | 3.83 | -0.08 |
| Jun | 4.42 | 4.64 | -0.22 |
| Jul | 4.25 | 4.37 | -0.12 |
| Aug | 3.69 | 3.77 | -0.08 |
| Sep | 3.74 | 3.74 | 0.00 |
| Oct | 3.46 | 3.40 | 0.06 |
| Nov | 2.03 | 1.93 | 0.10 |
| Dec | 1.53 | 1.53 | 0.00 |
33.81 | 34.05 | -0.24 |