| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.84 | -0.03 |
| Feb | 1.22 | 1.17 | 0.05 |
| Mar | 2.17 | 2.21 | -0.04 |
| Apr | 3.74 | 3.74 | 0.00 |
| May | 5.31 | 5.31 | 0.00 |
| Jun | 5.09 | 4.94 | 0.15 |
| Jul | 4.84 | 5.12 | -0.28 |
| Aug | 4.04 | 4.12 | -0.08 |
| Sep | 3.44 | 3.49 | -0.05 |
| Oct | 2.82 | 2.94 | -0.12 |
| Nov | 1.86 | 1.84 | 0.02 |
| Dec | 1.39 | 1.41 | -0.02 |
36.73 | 37.13 | -0.40 |