| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.54 | 4.64 | -0.10 |
| Feb | 3.33 | 3.51 | -0.18 |
| Mar | 3.69 | 3.75 | -0.06 |
| Apr | 3.94 | 4.26 | -0.32 |
| May | 5.06 | 5.43 | -0.37 |
| Jun | 5.86 | 5.82 | 0.04 |
| Jul | 4.76 | 4.69 | 0.07 |
| Aug | 5.81 | 5.97 | -0.16 |
| Sep | 5.64 | 5.95 | -0.31 |
| Oct | 5.31 | 5.70 | -0.39 |
| Nov | 4.49 | 4.72 | -0.23 |
| Dec | 4.50 | 4.61 | -0.11 |
56.93 | 59.05 | -2.12 |