| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.51 | 0.00 |
| Feb | 3.45 | 3.56 | -0.11 |
| Mar | 4.35 | 4.43 | -0.08 |
| Apr | 4.50 | 4.52 | -0.02 |
| May | 3.77 | 3.78 | -0.01 |
| Jun | 4.17 | 4.29 | -0.12 |
| Jul | 3.63 | 3.73 | -0.10 |
| Aug | 3.51 | 3.62 | -0.11 |
| Sep | 3.84 | 3.82 | 0.02 |
| Oct | 5.01 | 5.27 | -0.26 |
| Nov | 4.29 | 4.19 | 0.10 |
| Dec | 4.63 | 4.69 | -0.06 |
48.66 | 49.41 | -0.75 |