| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.86 | -0.14 |
| Feb | 0.71 | 0.78 | -0.07 |
| Mar | 1.10 | 1.17 | -0.07 |
| Apr | 1.86 | 2.02 | -0.16 |
| May | 3.02 | 3.04 | -0.02 |
| Jun | 4.46 | 4.45 | 0.01 |
| Jul | 3.81 | 4.03 | -0.22 |
| Aug | 3.35 | 3.36 | -0.01 |
| Sep | 3.12 | 3.38 | -0.26 |
| Oct | 2.62 | 2.78 | -0.16 |
| Nov | 1.35 | 1.45 | -0.10 |
| Dec | 1.01 | 1.18 | -0.17 |
27.13 | 28.50 | -1.37 |