| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.87 | -0.19 |
| Feb | 3.18 | 3.35 | -0.17 |
| Mar | 4.20 | 4.34 | -0.14 |
| Apr | 4.27 | 4.53 | -0.26 |
| May | 3.83 | 3.93 | -0.10 |
| Jun | 4.61 | 4.49 | 0.12 |
| Jul | 4.26 | 4.44 | -0.18 |
| Aug | 4.28 | 4.35 | -0.07 |
| Sep | 4.61 | 4.71 | -0.10 |
| Oct | 5.36 | 5.39 | -0.03 |
| Nov | 4.06 | 4.14 | -0.08 |
| Dec | 4.53 | 4.69 | -0.16 |
50.87 | 52.23 | -1.36 |