| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.73 | -0.05 |
| Feb | 0.80 | 0.81 | -0.01 |
| Mar | 1.47 | 1.47 | 0.00 |
| Apr | 2.72 | 2.73 | -0.01 |
| May | 3.94 | 4.05 | -0.11 |
| Jun | 4.44 | 4.37 | 0.07 |
| Jul | 3.89 | 3.92 | -0.03 |
| Aug | 3.98 | 4.16 | -0.18 |
| Sep | 3.22 | 3.18 | 0.04 |
| Oct | 2.55 | 2.61 | -0.06 |
| Nov | 1.41 | 1.41 | 0.00 |
| Dec | 0.97 | 1.05 | -0.08 |
30.07 | 30.49 | -0.42 |