| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.34 | -0.11 |
| Feb | 2.82 | 2.86 | -0.04 |
| Mar | 4.03 | 4.15 | -0.12 |
| Apr | 3.35 | 3.39 | -0.04 |
| May | 3.69 | 3.84 | -0.15 |
| Jun | 4.16 | 4.18 | -0.02 |
| Jul | 4.32 | 4.56 | -0.24 |
| Aug | 4.59 | 4.56 | 0.03 |
| Sep | 3.97 | 4.13 | -0.16 |
| Oct | 3.81 | 4.05 | -0.24 |
| Nov | 3.20 | 3.21 | -0.01 |
| Dec | 3.75 | 3.88 | -0.13 |
44.92 | 46.15 | -1.23 |