| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.59 | -0.04 |
| Feb | 0.52 | 0.56 | -0.04 |
| Mar | 0.69 | 0.85 | -0.16 |
| Apr | 0.95 | 1.03 | -0.08 |
| May | 2.46 | 2.72 | -0.26 |
| Jun | 3.91 | 4.32 | -0.41 |
| Jul | 2.87 | 2.95 | -0.08 |
| Aug | 2.38 | 2.43 | -0.05 |
| Sep | 1.61 | 1.77 | -0.16 |
| Oct | 1.43 | 1.63 | -0.20 |
| Nov | 0.69 | 0.89 | -0.20 |
| Dec | 0.69 | 0.73 | -0.04 |
18.75 | 20.47 | -1.72 |