| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.51 | -0.19 |
| Feb | 3.13 | 3.26 | -0.13 |
| Mar | 3.39 | 3.49 | -0.10 |
| Apr | 3.26 | 3.25 | 0.01 |
| May | 3.23 | 3.43 | -0.20 |
| Jun | 5.60 | 5.86 | -0.26 |
| Jul | 5.74 | 6.56 | -0.82 |
| Aug | 6.27 | 6.82 | -0.55 |
| Sep | 5.10 | 5.55 | -0.45 |
| Oct | 4.21 | 4.23 | -0.02 |
| Nov | 2.79 | 2.85 | -0.06 |
| Dec | 3.31 | 3.63 | -0.32 |
49.35 | 52.44 | -3.09 |