| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.32 | 6.00 | 0.32 |
| Feb | 4.82 | 4.64 | 0.18 |
| Mar | 5.08 | 4.79 | 0.29 |
| Apr | 4.13 | 3.68 | 0.45 |
| May | 2.85 | 2.66 | 0.19 |
| Jun | 1.57 | 1.45 | 0.12 |
| Jul | 0.34 | 0.38 | -0.04 |
| Aug | 0.44 | 0.39 | 0.05 |
| Sep | 1.48 | 1.43 | 0.05 |
| Oct | 3.68 | 3.42 | 0.26 |
| Nov | 6.35 | 6.16 | 0.19 |
| Dec | 7.46 | 7.26 | 0.20 |
44.52 | 42.26 | 2.26 |