| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.49 | -0.06 |
| Feb | 2.77 | 2.85 | -0.08 |
| Mar | 3.91 | 4.02 | -0.11 |
| Apr | 5.12 | 5.18 | -0.06 |
| May | 5.31 | 5.58 | -0.27 |
| Jun | 4.92 | 5.11 | -0.19 |
| Jul | 4.16 | 4.37 | -0.21 |
| Aug | 3.49 | 3.50 | -0.01 |
| Sep | 3.43 | 3.45 | -0.02 |
| Oct | 3.40 | 3.51 | -0.11 |
| Nov | 3.78 | 3.81 | -0.03 |
| Dec | 3.46 | 3.51 | -0.05 |
47.18 | 48.38 | -1.20 |