| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 1.06 | -0.12 |
| Feb | 0.90 | 1.02 | -0.12 |
| Mar | 1.33 | 1.41 | -0.08 |
| Apr | 2.29 | 2.33 | -0.04 |
| May | 3.13 | 3.12 | 0.01 |
| Jun | 4.42 | 4.56 | -0.14 |
| Jul | 4.11 | 4.16 | -0.05 |
| Aug | 3.56 | 3.44 | 0.12 |
| Sep | 3.31 | 3.57 | -0.26 |
| Oct | 2.93 | 2.82 | 0.11 |
| Nov | 1.65 | 1.69 | -0.04 |
| Dec | 1.25 | 1.51 | -0.26 |
29.82 | 30.69 | -0.87 |