| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.66 | -0.01 |
| Feb | 0.83 | 0.84 | -0.01 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.41 | 2.39 | 0.02 |
| May | 4.27 | 4.34 | -0.07 |
| Jun | 3.81 | 3.87 | -0.06 |
| Jul | 4.32 | 4.19 | 0.13 |
| Aug | 3.55 | 3.52 | 0.03 |
| Sep | 2.45 | 2.48 | -0.03 |
| Oct | 1.92 | 1.92 | 0.00 |
| Nov | 1.11 | 1.16 | -0.05 |
| Dec | 0.97 | 1.00 | -0.03 |
27.72 | 27.84 | -0.12 |