| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.64 | -0.21 |
| Feb | 2.39 | 2.47 | -0.08 |
| Mar | 3.76 | 3.96 | -0.20 |
| Apr | 4.63 | 4.82 | -0.19 |
| May | 5.21 | 5.48 | -0.27 |
| Jun | 4.12 | 4.37 | -0.25 |
| Jul | 4.11 | 4.46 | -0.35 |
| Aug | 4.04 | 4.20 | -0.16 |
| Sep | 3.85 | 3.96 | -0.11 |
| Oct | 3.22 | 3.24 | -0.02 |
| Nov | 3.65 | 3.82 | -0.17 |
| Dec | 2.55 | 2.74 | -0.19 |
43.96 | 46.16 | -2.20 |