| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.37 | -0.34 |
| Feb | 2.44 | 2.82 | -0.38 |
| Mar | 3.55 | 3.94 | -0.39 |
| Apr | 3.23 | 3.69 | -0.46 |
| May | 4.27 | 4.52 | -0.25 |
| Jun | 4.28 | 4.47 | -0.19 |
| Jul | 3.88 | 4.07 | -0.19 |
| Aug | 3.63 | 3.95 | -0.32 |
| Sep | 4.51 | 5.36 | -0.85 |
| Oct | 3.36 | 3.81 | -0.45 |
| Nov | 3.12 | 3.47 | -0.35 |
| Dec | 3.26 | 3.68 | -0.42 |
42.56 | 47.15 | -4.59 |