| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.57 | -0.01 |
| Feb | 0.64 | 0.65 | -0.01 |
| Mar | 1.32 | 1.31 | 0.01 |
| Apr | 2.15 | 2.35 | -0.20 |
| May | 2.35 | 2.24 | 0.11 |
| Jun | 2.13 | 2.14 | -0.01 |
| Jul | 3.38 | 2.93 | 0.45 |
| Aug | 2.95 | 3.35 | -0.40 |
| Sep | 1.46 | 1.81 | -0.35 |
| Oct | 1.05 | 0.97 | 0.08 |
| Nov | 0.73 | 0.77 | -0.04 |
| Dec | 0.55 | 0.59 | -0.04 |
19.27 | 19.68 | -0.41 |