| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.36 | 0.02 |
| Feb | 0.42 | 0.43 | -0.01 |
| Mar | 1.01 | 1.15 | -0.14 |
| Apr | 1.91 | 1.96 | -0.05 |
| May | 2.43 | 2.69 | -0.26 |
| Jun | 1.72 | 1.77 | -0.05 |
| Jul | 1.62 | 1.48 | 0.14 |
| Aug | 1.32 | 1.32 | 0.00 |
| Sep | 1.32 | 1.25 | 0.07 |
| Oct | 1.10 | 1.15 | -0.05 |
| Nov | 0.63 | 0.65 | -0.02 |
| Dec | 0.35 | 0.43 | -0.08 |
14.21 | 14.64 | -0.43 |