| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.38 | 0.03 |
| Feb | 0.49 | 0.46 | 0.03 |
| Mar | 1.04 | 1.04 | 0.00 |
| Apr | 1.71 | 1.74 | -0.03 |
| May | 2.36 | 2.43 | -0.07 |
| Jun | 2.85 | 2.81 | 0.04 |
| Jul | 3.24 | 3.29 | -0.05 |
| Aug | 2.96 | 3.03 | -0.07 |
| Sep | 1.35 | 1.33 | 0.02 |
| Oct | 1.51 | 1.57 | -0.06 |
| Nov | 0.59 | 0.55 | 0.04 |
| Dec | 0.51 | 0.63 | -0.12 |
19.02 | 19.26 | -0.24 |