| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.66 | -0.02 |
| Feb | 0.64 | 0.68 | -0.04 |
| Mar | 1.16 | 1.22 | -0.06 |
| Apr | 2.06 | 2.18 | -0.12 |
| May | 3.25 | 3.38 | -0.13 |
| Jun | 4.24 | 4.21 | 0.03 |
| Jul | 4.22 | 4.12 | 0.10 |
| Aug | 3.28 | 3.12 | 0.16 |
| Sep | 2.92 | 2.94 | -0.02 |
| Oct | 2.66 | 2.73 | -0.07 |
| Nov | 1.15 | 1.13 | 0.02 |
| Dec | 0.85 | 0.92 | -0.07 |
27.07 | 27.29 | -0.22 |