| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.26 | -0.05 |
| Feb | 2.02 | 2.10 | -0.08 |
| Mar | 2.50 | 2.69 | -0.19 |
| Apr | 3.96 | 3.98 | -0.02 |
| May | 4.49 | 4.44 | 0.05 |
| Jun | 4.50 | 4.61 | -0.11 |
| Jul | 4.27 | 4.20 | 0.07 |
| Aug | 3.29 | 3.13 | 0.16 |
| Sep | 3.22 | 3.18 | 0.04 |
| Oct | 3.26 | 3.29 | -0.03 |
| Nov | 3.11 | 3.15 | -0.04 |
| Dec | 2.30 | 2.38 | -0.08 |
39.13 | 39.41 | -0.28 |