| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.50 | -0.14 |
| Feb | 3.16 | 3.26 | -0.10 |
| Mar | 3.43 | 3.47 | -0.04 |
| Apr | 3.25 | 3.31 | -0.06 |
| May | 3.12 | 3.13 | -0.01 |
| Jun | 5.33 | 5.41 | -0.08 |
| Jul | 5.89 | 5.54 | 0.35 |
| Aug | 6.34 | 6.68 | -0.34 |
| Sep | 4.57 | 4.46 | 0.11 |
| Oct | 3.90 | 3.84 | 0.06 |
| Nov | 2.65 | 2.66 | -0.01 |
| Dec | 3.23 | 3.47 | -0.24 |
48.23 | 48.73 | -0.50 |