| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.13 | -0.19 |
| Feb | 2.58 | 2.80 | -0.22 |
| Mar | 3.95 | 4.17 | -0.22 |
| Apr | 3.26 | 3.45 | -0.19 |
| May | 3.60 | 4.06 | -0.46 |
| Jun | 4.22 | 4.41 | -0.19 |
| Jul | 4.42 | 4.60 | -0.18 |
| Aug | 4.42 | 4.40 | 0.02 |
| Sep | 4.58 | 4.65 | -0.07 |
| Oct | 3.80 | 4.16 | -0.36 |
| Nov | 3.02 | 3.19 | -0.17 |
| Dec | 3.65 | 3.82 | -0.17 |
44.44 | 46.84 | -2.40 |