| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.32 | -0.02 |
| Feb | 2.30 | 2.35 | -0.05 |
| Mar | 3.48 | 3.50 | -0.02 |
| Apr | 4.65 | 4.41 | 0.24 |
| May | 5.71 | 5.84 | -0.13 |
| Jun | 4.68 | 4.77 | -0.09 |
| Jul | 3.46 | 3.54 | -0.08 |
| Aug | 3.20 | 3.31 | -0.11 |
| Sep | 4.51 | 4.42 | 0.09 |
| Oct | 4.03 | 4.03 | 0.00 |
| Nov | 3.41 | 3.23 | 0.18 |
| Dec | 2.92 | 2.83 | 0.09 |
44.65 | 44.55 | 0.10 |