| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.37 | -0.18 |
| Feb | 2.61 | 3.05 | -0.44 |
| Mar | 3.05 | 3.32 | -0.27 |
| Apr | 3.43 | 3.67 | -0.24 |
| May | 3.97 | 4.10 | -0.13 |
| Jun | 4.27 | 4.39 | -0.12 |
| Jul | 4.06 | 4.19 | -0.13 |
| Aug | 3.81 | 4.00 | -0.19 |
| Sep | 3.86 | 4.08 | -0.22 |
| Oct | 4.51 | 4.87 | -0.36 |
| Nov | 3.66 | 3.90 | -0.24 |
| Dec | 3.64 | 3.99 | -0.35 |
44.06 | 46.93 | -2.87 |