| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.46 | -0.04 |
| Feb | 3.15 | 3.44 | -0.29 |
| Mar | 4.51 | 4.63 | -0.12 |
| Apr | 4.39 | 4.52 | -0.13 |
| May | 5.05 | 5.06 | -0.01 |
| Jun | 4.69 | 4.81 | -0.12 |
| Jul | 5.23 | 5.31 | -0.08 |
| Aug | 3.43 | 3.48 | -0.05 |
| Sep | 3.61 | 3.46 | 0.15 |
| Oct | 3.37 | 3.33 | 0.04 |
| Nov | 3.21 | 3.20 | 0.01 |
| Dec | 3.94 | 4.09 | -0.15 |
48.00 | 48.79 | -0.79 |