| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.96 | -0.06 |
| Feb | 0.99 | 1.06 | -0.07 |
| Mar | 1.38 | 1.57 | -0.19 |
| Apr | 1.47 | 1.48 | -0.01 |
| May | 2.85 | 3.05 | -0.20 |
| Jun | 2.92 | 2.77 | 0.15 |
| Jul | 1.83 | 1.65 | 0.18 |
| Aug | 2.19 | 2.20 | -0.01 |
| Sep | 2.66 | 2.57 | 0.09 |
| Oct | 2.27 | 1.81 | 0.46 |
| Nov | 1.39 | 1.24 | 0.15 |
| Dec | 0.90 | 1.00 | -0.10 |
21.75 | 21.36 | 0.39 |