| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 1.02 | -0.32 |
| Feb | 0.89 | 1.26 | -0.37 |
| Mar | 1.47 | 1.53 | -0.06 |
| Apr | 2.26 | 2.61 | -0.35 |
| May | 3.51 | 4.11 | -0.60 |
| Jun | 2.50 | 2.72 | -0.22 |
| Jul | 1.52 | 1.73 | -0.21 |
| Aug | 1.12 | 1.32 | -0.20 |
| Sep | 1.55 | 1.66 | -0.11 |
| Oct | 1.81 | 2.19 | -0.38 |
| Nov | 0.99 | 1.42 | -0.43 |
| Dec | 0.82 | 1.12 | -0.30 |
19.14 | 22.69 | -3.55 |