| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.94 | -0.15 |
| Feb | 2.34 | 2.46 | -0.12 |
| Mar | 3.17 | 3.37 | -0.20 |
| Apr | 4.22 | 4.39 | -0.17 |
| May | 4.51 | 4.69 | -0.18 |
| Jun | 5.02 | 5.05 | -0.03 |
| Jul | 4.09 | 4.22 | -0.13 |
| Aug | 3.34 | 3.14 | 0.20 |
| Sep | 3.30 | 3.37 | -0.07 |
| Oct | 3.24 | 3.22 | 0.02 |
| Nov | 3.41 | 3.45 | -0.04 |
| Dec | 2.81 | 2.94 | -0.13 |
42.24 | 43.24 | -1.00 |