| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.50 | 1.55 | -0.05 |
| Feb | 1.55 | 1.64 | -0.09 |
| Mar | 2.10 | 2.16 | -0.06 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 4.18 | 4.31 | -0.13 |
| Jun | 5.60 | 5.30 | 0.30 |
| Jul | 4.26 | 3.95 | 0.31 |
| Aug | 4.05 | 4.32 | -0.27 |
| Sep | 3.53 | 3.62 | -0.09 |
| Oct | 2.95 | 2.87 | 0.08 |
| Nov | 2.34 | 2.37 | -0.03 |
| Dec | 1.72 | 1.77 | -0.05 |
37.48 | 37.64 | -0.16 |