| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.94 | 4.96 | -0.02 |
| Feb | 4.02 | 4.28 | -0.26 |
| Mar | 4.12 | 4.23 | -0.11 |
| Apr | 4.26 | 4.32 | -0.06 |
| May | 5.14 | 4.63 | 0.51 |
| Jun | 5.65 | 5.51 | 0.14 |
| Jul | 4.46 | 4.48 | -0.02 |
| Aug | 5.09 | 5.18 | -0.09 |
| Sep | 5.04 | 4.74 | 0.30 |
| Oct | 5.57 | 5.58 | -0.01 |
| Nov | 4.94 | 5.33 | -0.39 |
| Dec | 5.31 | 5.37 | -0.06 |
58.54 | 58.61 | -0.07 |