| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.44 | -0.13 |
| Feb | 3.34 | 3.31 | 0.03 |
| Mar | 4.54 | 4.33 | 0.21 |
| Apr | 5.12 | 5.11 | 0.01 |
| May | 5.13 | 5.06 | 0.07 |
| Jun | 4.25 | 4.15 | 0.10 |
| Jul | 4.20 | 4.21 | -0.01 |
| Aug | 2.97 | 3.12 | -0.15 |
| Sep | 3.47 | 3.51 | -0.04 |
| Oct | 3.41 | 3.39 | 0.02 |
| Nov | 3.96 | 3.90 | 0.06 |
| Dec | 4.04 | 4.07 | -0.03 |
47.74 | 47.60 | 0.14 |