| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.24 | -0.15 |
| Feb | 2.53 | 2.61 | -0.08 |
| Mar | 3.61 | 3.79 | -0.18 |
| Apr | 3.73 | 3.76 | -0.03 |
| May | 3.82 | 4.19 | -0.37 |
| Jun | 4.13 | 4.39 | -0.26 |
| Jul | 4.33 | 4.51 | -0.18 |
| Aug | 4.11 | 4.25 | -0.14 |
| Sep | 4.40 | 4.68 | -0.28 |
| Oct | 3.86 | 3.91 | -0.05 |
| Nov | 3.15 | 3.12 | 0.03 |
| Dec | 3.39 | 3.56 | -0.17 |
44.15 | 46.01 | -1.86 |