| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.29 | 0.04 |
| Feb | 2.84 | 2.99 | -0.15 |
| Mar | 3.55 | 3.62 | -0.07 |
| Apr | 4.08 | 4.18 | -0.10 |
| May | 3.62 | 3.79 | -0.17 |
| Jun | 4.77 | 5.10 | -0.33 |
| Jul | 3.90 | 4.21 | -0.31 |
| Aug | 4.00 | 4.15 | -0.15 |
| Sep | 3.47 | 3.51 | -0.04 |
| Oct | 5.18 | 5.41 | -0.23 |
| Nov | 4.19 | 4.19 | 0.00 |
| Dec | 4.09 | 4.22 | -0.13 |
47.02 | 48.66 | -1.64 |