| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.61 | -0.09 |
| Feb | 0.68 | 0.74 | -0.06 |
| Mar | 1.07 | 1.22 | -0.15 |
| Apr | 2.11 | 2.34 | -0.23 |
| May | 3.48 | 3.37 | 0.11 |
| Jun | 2.87 | 3.27 | -0.40 |
| Jul | 2.22 | 2.32 | -0.10 |
| Aug | 1.51 | 1.69 | -0.18 |
| Sep | 1.46 | 1.38 | 0.08 |
| Oct | 1.68 | 1.88 | -0.20 |
| Nov | 0.68 | 0.84 | -0.16 |
| Dec | 0.58 | 0.69 | -0.11 |
18.86 | 20.35 | -1.49 |