| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.26 | -0.11 |
| Feb | 1.46 | 1.58 | -0.12 |
| Mar | 2.31 | 2.44 | -0.13 |
| Apr | 4.01 | 3.99 | 0.02 |
| May | 5.32 | 5.48 | -0.16 |
| Jun | 5.01 | 5.26 | -0.25 |
| Jul | 4.70 | 4.85 | -0.15 |
| Aug | 4.32 | 4.41 | -0.09 |
| Sep | 3.85 | 4.29 | -0.44 |
| Oct | 3.24 | 3.36 | -0.12 |
| Nov | 2.09 | 2.16 | -0.07 |
| Dec | 1.65 | 1.65 | 0.00 |
39.11 | 40.73 | -1.62 |