| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.77 | -0.16 |
| Feb | 2.16 | 2.44 | -0.28 |
| Mar | 2.54 | 2.80 | -0.26 |
| Apr | 3.11 | 3.28 | -0.17 |
| May | 3.53 | 3.26 | 0.27 |
| Jun | 4.28 | 3.83 | 0.45 |
| Jul | 4.43 | 4.39 | 0.04 |
| Aug | 4.05 | 3.47 | 0.58 |
| Sep | 3.31 | 2.94 | 0.37 |
| Oct | 4.03 | 4.13 | -0.10 |
| Nov | 2.96 | 3.18 | -0.22 |
| Dec | 3.08 | 3.30 | -0.22 |
40.09 | 39.79 | 0.30 |