| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.96 | -0.03 |
| Feb | 0.96 | 0.95 | 0.01 |
| Mar | 1.81 | 1.82 | -0.01 |
| Apr | 2.96 | 2.93 | 0.03 |
| May | 4.21 | 4.18 | 0.03 |
| Jun | 5.19 | 5.07 | 0.12 |
| Jul | 4.08 | 4.04 | 0.04 |
| Aug | 4.50 | 4.62 | -0.12 |
| Sep | 3.55 | 3.65 | -0.10 |
| Oct | 2.75 | 2.71 | 0.04 |
| Nov | 1.72 | 1.75 | -0.03 |
| Dec | 1.24 | 1.30 | -0.06 |
33.90 | 33.98 | -0.08 |