| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.26 | 1.43 | -0.17 |
| Feb | 1.34 | 1.43 | -0.09 |
| Mar | 2.08 | 2.15 | -0.07 |
| Apr | 3.86 | 3.81 | 0.05 |
| May | 4.26 | 4.36 | -0.10 |
| Jun | 5.41 | 5.57 | -0.16 |
| Jul | 4.37 | 4.55 | -0.18 |
| Aug | 4.03 | 4.27 | -0.24 |
| Sep | 3.60 | 3.62 | -0.02 |
| Oct | 2.85 | 2.94 | -0.09 |
| Nov | 2.30 | 2.34 | -0.04 |
| Dec | 1.61 | 1.77 | -0.16 |
36.97 | 38.24 | -1.27 |