| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.50 | 0.58 | -0.08 |
| Feb | 0.60 | 0.69 | -0.09 |
| Mar | 1.18 | 1.32 | -0.14 |
| Apr | 2.04 | 2.41 | -0.37 |
| May | 2.29 | 2.06 | 0.23 |
| Jun | 2.12 | 2.07 | 0.05 |
| Jul | 3.41 | 2.80 | 0.61 |
| Aug | 2.92 | 3.03 | -0.11 |
| Sep | 1.44 | 1.72 | -0.28 |
| Oct | 1.03 | 0.94 | 0.09 |
| Nov | 0.69 | 0.74 | -0.05 |
| Dec | 0.49 | 0.60 | -0.11 |
18.71 | 18.96 | -0.25 |