| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.20 | -0.08 |
| Feb | 3.59 | 3.62 | -0.03 |
| Mar | 5.13 | 5.15 | -0.02 |
| Apr | 4.56 | 4.62 | -0.06 |
| May | 3.56 | 3.51 | 0.05 |
| Jun | 4.03 | 3.99 | 0.04 |
| Jul | 3.29 | 3.39 | -0.10 |
| Aug | 3.71 | 3.71 | 0.00 |
| Sep | 4.05 | 4.03 | 0.02 |
| Oct | 4.84 | 4.87 | -0.03 |
| Nov | 4.34 | 4.35 | -0.01 |
| Dec | 4.85 | 5.06 | -0.21 |
50.07 | 50.50 | -0.43 |