| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.26 | -0.16 |
| Feb | 3.60 | 3.81 | -0.21 |
| Mar | 4.46 | 4.52 | -0.06 |
| Apr | 4.29 | 4.32 | -0.03 |
| May | 3.75 | 3.91 | -0.16 |
| Jun | 4.27 | 4.54 | -0.27 |
| Jul | 4.30 | 4.42 | -0.12 |
| Aug | 4.35 | 4.52 | -0.17 |
| Sep | 3.83 | 4.28 | -0.45 |
| Oct | 3.50 | 3.72 | -0.22 |
| Nov | 3.71 | 3.93 | -0.22 |
| Dec | 4.26 | 4.58 | -0.32 |
48.42 | 50.81 | -2.39 |