| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.11 | -0.13 |
| Feb | 2.97 | 3.12 | -0.15 |
| Mar | 3.58 | 3.64 | -0.06 |
| Apr | 4.04 | 4.13 | -0.09 |
| May | 5.11 | 5.31 | -0.20 |
| Jun | 5.58 | 5.61 | -0.03 |
| Jul | 4.12 | 4.35 | -0.23 |
| Aug | 4.86 | 5.23 | -0.37 |
| Sep | 4.97 | 5.38 | -0.41 |
| Oct | 4.95 | 4.83 | 0.12 |
| Nov | 4.29 | 4.55 | -0.26 |
| Dec | 3.98 | 4.12 | -0.14 |
52.43 | 54.38 | -1.95 |