| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.90 | -0.06 |
| Feb | 3.21 | 3.27 | -0.06 |
| Mar | 3.78 | 3.68 | 0.10 |
| Apr | 3.15 | 3.34 | -0.19 |
| May | 3.41 | 3.75 | -0.34 |
| Jun | 4.47 | 4.52 | -0.05 |
| Jul | 5.46 | 6.02 | -0.56 |
| Aug | 5.42 | 5.77 | -0.35 |
| Sep | 5.31 | 5.51 | -0.20 |
| Oct | 4.16 | 4.21 | -0.05 |
| Nov | 3.36 | 3.72 | -0.36 |
| Dec | 3.56 | 4.04 | -0.48 |
49.13 | 51.73 | -2.60 |