| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.61 | -0.23 |
| Feb | 2.83 | 3.04 | -0.21 |
| Mar | 3.18 | 3.28 | -0.10 |
| Apr | 3.53 | 4.17 | -0.64 |
| May | 4.44 | 4.75 | -0.31 |
| Jun | 5.35 | 5.74 | -0.39 |
| Jul | 4.30 | 4.37 | -0.07 |
| Aug | 5.28 | 5.90 | -0.62 |
| Sep | 6.18 | 6.83 | -0.65 |
| Oct | 5.15 | 5.28 | -0.13 |
| Nov | 4.10 | 4.77 | -0.67 |
| Dec | 4.31 | 4.47 | -0.16 |
53.03 | 57.21 | -4.18 |