| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.67 | -0.26 |
| Feb | 2.95 | 3.04 | -0.09 |
| Mar | 4.13 | 4.31 | -0.18 |
| Apr | 3.85 | 4.01 | -0.16 |
| May | 3.85 | 3.96 | -0.11 |
| Jun | 4.22 | 4.55 | -0.33 |
| Jul | 4.36 | 4.44 | -0.08 |
| Aug | 4.22 | 4.37 | -0.15 |
| Sep | 3.96 | 4.08 | -0.12 |
| Oct | 4.07 | 4.10 | -0.03 |
| Nov | 3.40 | 3.39 | 0.01 |
| Dec | 4.21 | 4.41 | -0.20 |
46.63 | 48.33 | -1.70 |