| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 4.08 | -0.39 |
| Feb | 3.26 | 3.62 | -0.36 |
| Mar | 4.77 | 5.29 | -0.52 |
| Apr | 4.29 | 4.67 | -0.38 |
| May | 3.50 | 3.53 | -0.03 |
| Jun | 3.65 | 3.85 | -0.20 |
| Jul | 3.06 | 3.16 | -0.10 |
| Aug | 3.65 | 3.90 | -0.25 |
| Sep | 3.89 | 3.92 | -0.03 |
| Oct | 4.53 | 4.78 | -0.25 |
| Nov | 3.91 | 4.23 | -0.32 |
| Dec | 4.59 | 5.07 | -0.48 |
46.79 | 50.10 | -3.31 |