| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 4.13 | -0.56 |
| Feb | 3.02 | 3.56 | -0.54 |
| Mar | 4.06 | 4.64 | -0.58 |
| Apr | 4.03 | 4.80 | -0.77 |
| May | 3.42 | 3.82 | -0.40 |
| Jun | 4.22 | 4.46 | -0.24 |
| Jul | 3.68 | 3.84 | -0.16 |
| Aug | 4.01 | 4.34 | -0.33 |
| Sep | 4.09 | 4.65 | -0.56 |
| Oct | 4.45 | 4.87 | -0.42 |
| Nov | 3.82 | 4.16 | -0.34 |
| Dec | 4.26 | 4.97 | -0.71 |
46.63 | 52.24 | -5.61 |