| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.49 | 0.00 |
| Feb | 0.53 | 0.51 | 0.02 |
| Mar | 0.91 | 0.90 | 0.01 |
| Apr | 1.44 | 1.33 | 0.11 |
| May | 3.13 | 3.17 | -0.04 |
| Jun | 3.37 | 3.74 | -0.37 |
| Jul | 3.34 | 3.35 | -0.01 |
| Aug | 2.40 | 2.39 | 0.01 |
| Sep | 2.22 | 2.21 | 0.01 |
| Oct | 1.78 | 1.80 | -0.02 |
| Nov | 0.61 | 0.63 | -0.02 |
| Dec | 0.59 | 0.63 | -0.04 |
20.81 | 21.15 | -0.34 |