| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.40 | -0.24 |
| Feb | 2.52 | 2.61 | -0.09 |
| Mar | 3.49 | 3.60 | -0.11 |
| Apr | 4.63 | 4.91 | -0.28 |
| May | 4.86 | 5.05 | -0.19 |
| Jun | 5.07 | 5.24 | -0.17 |
| Jul | 4.46 | 4.39 | 0.07 |
| Aug | 3.20 | 3.15 | 0.05 |
| Sep | 3.37 | 3.56 | -0.19 |
| Oct | 3.54 | 3.61 | -0.07 |
| Nov | 3.63 | 3.78 | -0.15 |
| Dec | 3.13 | 3.35 | -0.22 |
45.06 | 46.65 | -1.59 |