| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.92 | -0.13 |
| Feb | 2.31 | 2.48 | -0.17 |
| Mar | 3.13 | 3.27 | -0.14 |
| Apr | 4.16 | 4.37 | -0.21 |
| May | 4.45 | 4.60 | -0.15 |
| Jun | 4.90 | 4.94 | -0.04 |
| Jul | 4.05 | 4.13 | -0.08 |
| Aug | 3.27 | 3.04 | 0.23 |
| Sep | 3.24 | 3.27 | -0.03 |
| Oct | 3.14 | 3.13 | 0.01 |
| Nov | 3.37 | 3.49 | -0.12 |
| Dec | 2.71 | 2.90 | -0.19 |
41.52 | 42.54 | -1.02 |