| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.31 | -0.29 |
| Feb | 2.35 | 2.64 | -0.29 |
| Mar | 3.10 | 3.39 | -0.29 |
| Apr | 3.35 | 3.69 | -0.34 |
| May | 3.63 | 3.72 | -0.09 |
| Jun | 4.28 | 4.31 | -0.03 |
| Jul | 4.27 | 4.21 | 0.06 |
| Aug | 3.95 | 4.20 | -0.25 |
| Sep | 4.55 | 4.28 | 0.27 |
| Oct | 4.19 | 4.61 | -0.42 |
| Nov | 3.19 | 3.47 | -0.28 |
| Dec | 3.53 | 4.13 | -0.60 |
43.41 | 45.96 | -2.55 |