| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.42 | -0.38 |
| Feb | 4.23 | 4.39 | -0.16 |
| Mar | 4.91 | 5.01 | -0.10 |
| Apr | 4.91 | 5.23 | -0.32 |
| May | 4.66 | 5.02 | -0.36 |
| Jun | 4.94 | 5.13 | -0.19 |
| Jul | 4.79 | 5.44 | -0.65 |
| Aug | 5.32 | 5.83 | -0.51 |
| Sep | 4.86 | 5.24 | -0.38 |
| Oct | 4.48 | 4.33 | 0.15 |
| Nov | 4.55 | 4.71 | -0.16 |
| Dec | 5.04 | 5.67 | -0.63 |
57.73 | 61.42 | -3.69 |