| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.35 | 0.04 |
| Feb | 0.54 | 0.56 | -0.02 |
| Mar | 0.73 | 0.80 | -0.07 |
| Apr | 1.64 | 1.86 | -0.22 |
| May | 2.93 | 3.08 | -0.15 |
| Jun | 3.38 | 3.45 | -0.07 |
| Jul | 2.87 | 2.82 | 0.05 |
| Aug | 2.21 | 2.42 | -0.21 |
| Sep | 1.82 | 1.83 | -0.01 |
| Oct | 1.83 | 1.81 | 0.02 |
| Nov | 0.52 | 0.54 | -0.02 |
| Dec | 0.42 | 0.45 | -0.03 |
19.28 | 19.97 | -0.69 |