| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.22 | -0.06 |
| Feb | 1.43 | 1.48 | -0.05 |
| Mar | 2.24 | 2.26 | -0.02 |
| Apr | 3.65 | 3.72 | -0.07 |
| May | 4.77 | 4.69 | 0.08 |
| Jun | 5.26 | 5.20 | 0.06 |
| Jul | 4.26 | 4.23 | 0.03 |
| Aug | 4.16 | 4.09 | 0.07 |
| Sep | 3.69 | 3.48 | 0.21 |
| Oct | 2.98 | 2.91 | 0.07 |
| Nov | 2.14 | 2.17 | -0.03 |
| Dec | 1.65 | 1.68 | -0.03 |
37.39 | 37.13 | 0.26 |