| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.97 | 5.28 | -0.31 |
| Feb | 5.16 | 5.51 | -0.35 |
| Mar | 5.23 | 5.49 | -0.26 |
| Apr | 5.48 | 5.39 | 0.09 |
| May | 4.41 | 4.86 | -0.45 |
| Jun | 4.28 | 4.70 | -0.42 |
| Jul | 4.69 | 5.00 | -0.31 |
| Aug | 4.01 | 4.20 | -0.19 |
| Sep | 3.89 | 4.10 | -0.21 |
| Oct | 3.79 | 3.90 | -0.11 |
| Nov | 4.33 | 4.31 | 0.02 |
| Dec | 5.86 | 6.20 | -0.34 |
56.10 | 58.94 | -2.84 |