| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.57 | 0.06 |
| Feb | 3.82 | 3.77 | 0.05 |
| Mar | 4.81 | 4.73 | 0.08 |
| Apr | 5.31 | 5.33 | -0.02 |
| May | 5.27 | 5.27 | 0.00 |
| Jun | 3.39 | 3.48 | -0.09 |
| Jul | 4.04 | 3.70 | 0.34 |
| Aug | 3.56 | 3.75 | -0.19 |
| Sep | 3.51 | 3.34 | 0.17 |
| Oct | 3.75 | 3.72 | 0.03 |
| Nov | 4.77 | 4.73 | 0.04 |
| Dec | 4.79 | 4.62 | 0.17 |
50.65 | 50.01 | 0.64 |