| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.49 | -0.04 |
| Feb | 1.42 | 1.45 | -0.03 |
| Mar | 2.34 | 2.31 | 0.03 |
| Apr | 2.08 | 2.23 | -0.15 |
| May | 3.84 | 4.14 | -0.30 |
| Jun | 3.16 | 3.34 | -0.18 |
| Jul | 2.50 | 2.49 | 0.01 |
| Aug | 2.15 | 2.41 | -0.26 |
| Sep | 3.32 | 3.69 | -0.37 |
| Oct | 3.03 | 3.15 | -0.12 |
| Nov | 1.89 | 2.01 | -0.12 |
| Dec | 1.41 | 1.55 | -0.14 |
28.59 | 30.26 | -1.67 |