| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.99 | -0.15 |
| Feb | 2.37 | 2.48 | -0.11 |
| Mar | 3.24 | 3.37 | -0.13 |
| Apr | 4.27 | 4.37 | -0.10 |
| May | 4.57 | 4.72 | -0.15 |
| Jun | 5.03 | 5.10 | -0.07 |
| Jul | 4.10 | 4.33 | -0.23 |
| Aug | 3.38 | 3.20 | 0.18 |
| Sep | 3.26 | 3.32 | -0.06 |
| Oct | 3.31 | 3.22 | 0.09 |
| Nov | 3.38 | 3.42 | -0.04 |
| Dec | 2.86 | 2.96 | -0.10 |
42.61 | 43.48 | -0.87 |