| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.06 | -0.04 |
| Feb | 4.57 | 4.41 | 0.16 |
| Mar | 5.05 | 5.11 | -0.06 |
| Apr | 5.15 | 5.23 | -0.08 |
| May | 5.25 | 5.45 | -0.20 |
| Jun | 4.63 | 4.63 | 0.00 |
| Jul | 4.28 | 4.31 | -0.03 |
| Aug | 3.10 | 3.21 | -0.11 |
| Sep | 3.68 | 3.62 | 0.06 |
| Oct | 3.61 | 3.88 | -0.27 |
| Nov | 4.19 | 4.33 | -0.14 |
| Dec | 4.96 | 4.81 | 0.15 |
52.49 | 53.05 | -0.56 |