| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.13 | -0.22 |
| Feb | 2.52 | 2.94 | -0.42 |
| Mar | 3.06 | 3.55 | -0.49 |
| Apr | 3.71 | 3.83 | -0.12 |
| May | 4.07 | 4.29 | -0.22 |
| Jun | 4.58 | 5.29 | -0.71 |
| Jul | 4.52 | 4.78 | -0.26 |
| Aug | 4.33 | 4.42 | -0.09 |
| Sep | 3.86 | 4.01 | -0.15 |
| Oct | 4.38 | 4.69 | -0.31 |
| Nov | 3.42 | 4.02 | -0.60 |
| Dec | 3.41 | 3.97 | -0.56 |
44.77 | 48.92 | -4.15 |