| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.02 | -0.12 |
| Feb | 2.49 | 2.60 | -0.11 |
| Mar | 3.39 | 3.73 | -0.34 |
| Apr | 3.25 | 3.37 | -0.12 |
| May | 4.17 | 4.51 | -0.34 |
| Jun | 4.06 | 4.31 | -0.25 |
| Jul | 4.19 | 4.19 | 0.00 |
| Aug | 3.47 | 3.62 | -0.15 |
| Sep | 4.04 | 4.28 | -0.24 |
| Oct | 3.66 | 3.76 | -0.10 |
| Nov | 2.98 | 3.17 | -0.19 |
| Dec | 3.38 | 3.52 | -0.14 |
41.98 | 44.08 | -2.10 |