| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.69 | 0.00 |
| Feb | 1.66 | 1.68 | -0.02 |
| Mar | 2.21 | 2.26 | -0.05 |
| Apr | 3.65 | 3.57 | 0.08 |
| May | 4.35 | 4.56 | -0.21 |
| Jun | 4.92 | 4.93 | -0.01 |
| Jul | 3.84 | 3.79 | 0.05 |
| Aug | 3.85 | 4.02 | -0.17 |
| Sep | 3.42 | 3.45 | -0.03 |
| Oct | 2.92 | 2.89 | 0.03 |
| Nov | 2.37 | 2.34 | 0.03 |
| Dec | 1.87 | 1.97 | -0.10 |
36.75 | 37.15 | -0.40 |