| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.44 | -0.16 |
| Feb | 3.34 | 3.31 | 0.03 |
| Mar | 4.50 | 4.33 | 0.17 |
| Apr | 5.06 | 5.10 | -0.04 |
| May | 5.08 | 5.07 | 0.01 |
| Jun | 4.18 | 4.15 | 0.03 |
| Jul | 4.15 | 4.21 | -0.06 |
| Aug | 2.93 | 3.12 | -0.19 |
| Sep | 3.46 | 3.51 | -0.05 |
| Oct | 3.37 | 3.39 | -0.02 |
| Nov | 3.91 | 3.90 | 0.01 |
| Dec | 4.06 | 4.08 | -0.02 |
47.32 | 47.61 | -0.29 |