| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.19 | -0.08 |
| Feb | 2.47 | 2.59 | -0.12 |
| Mar | 3.32 | 3.37 | -0.05 |
| Apr | 4.63 | 4.81 | -0.18 |
| May | 4.74 | 4.83 | -0.09 |
| Jun | 5.30 | 5.29 | 0.01 |
| Jul | 4.43 | 4.51 | -0.08 |
| Aug | 3.29 | 3.22 | 0.07 |
| Sep | 3.31 | 3.49 | -0.18 |
| Oct | 3.48 | 3.52 | -0.04 |
| Nov | 3.56 | 3.66 | -0.10 |
| Dec | 2.97 | 3.03 | -0.06 |
44.61 | 45.51 | -0.90 |