| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.23 | -0.16 |
| Feb | 2.68 | 2.83 | -0.15 |
| Mar | 3.25 | 3.64 | -0.39 |
| Apr | 3.55 | 3.72 | -0.17 |
| May | 3.65 | 3.92 | -0.27 |
| Jun | 4.42 | 5.00 | -0.58 |
| Jul | 4.51 | 4.73 | -0.22 |
| Aug | 4.06 | 4.35 | -0.29 |
| Sep | 3.49 | 3.83 | -0.34 |
| Oct | 4.34 | 4.83 | -0.49 |
| Nov | 3.31 | 3.44 | -0.13 |
| Dec | 3.74 | 3.94 | -0.20 |
44.07 | 47.46 | -3.39 |