| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.57 | 5.86 | -0.29 |
| Feb | 5.43 | 5.65 | -0.22 |
| Mar | 5.79 | 5.78 | 0.01 |
| Apr | 5.34 | 5.39 | -0.05 |
| May | 4.49 | 4.72 | -0.23 |
| Jun | 4.82 | 5.15 | -0.33 |
| Jul | 5.19 | 4.97 | 0.22 |
| Aug | 3.98 | 4.30 | -0.32 |
| Sep | 4.01 | 4.24 | -0.23 |
| Oct | 3.81 | 3.68 | 0.13 |
| Nov | 4.79 | 5.05 | -0.26 |
| Dec | 6.07 | 6.42 | -0.35 |
59.29 | 61.21 | -1.92 |