| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.29 | -0.10 |
| Feb | 2.81 | 2.90 | -0.09 |
| Mar | 4.04 | 4.37 | -0.33 |
| Apr | 3.71 | 3.69 | 0.02 |
| May | 4.22 | 4.34 | -0.12 |
| Jun | 4.26 | 4.37 | -0.11 |
| Jul | 4.67 | 4.61 | 0.06 |
| Aug | 4.32 | 4.13 | 0.19 |
| Sep | 4.62 | 4.78 | -0.16 |
| Oct | 4.27 | 4.51 | -0.24 |
| Nov | 3.50 | 3.46 | 0.04 |
| Dec | 3.77 | 4.17 | -0.40 |
47.38 | 48.62 | -1.24 |