| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.27 | -0.03 |
| Feb | 1.99 | 2.04 | -0.05 |
| Mar | 2.63 | 2.68 | -0.05 |
| Apr | 4.05 | 3.99 | 0.06 |
| May | 4.43 | 4.39 | 0.04 |
| Jun | 4.62 | 4.60 | 0.02 |
| Jul | 4.20 | 4.12 | 0.08 |
| Aug | 3.25 | 3.12 | 0.13 |
| Sep | 3.12 | 3.12 | 0.00 |
| Oct | 3.27 | 3.24 | 0.03 |
| Nov | 3.16 | 3.14 | 0.02 |
| Dec | 2.30 | 2.39 | -0.09 |
39.26 | 39.10 | 0.16 |