| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.60 | -0.10 |
| Feb | 3.66 | 3.76 | -0.10 |
| Mar | 4.66 | 4.70 | -0.04 |
| Apr | 4.81 | 4.78 | 0.03 |
| May | 5.37 | 5.36 | 0.01 |
| Jun | 4.96 | 4.91 | 0.05 |
| Jul | 4.68 | 4.43 | 0.25 |
| Aug | 3.48 | 3.35 | 0.13 |
| Sep | 3.62 | 3.61 | 0.01 |
| Oct | 3.77 | 3.73 | 0.04 |
| Nov | 3.55 | 3.54 | 0.01 |
| Dec | 4.25 | 4.39 | -0.14 |
50.31 | 50.16 | 0.15 |