| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.64 | 0.02 |
| Feb | 0.83 | 0.81 | 0.02 |
| Mar | 1.43 | 1.46 | -0.03 |
| Apr | 2.35 | 2.33 | 0.02 |
| May | 4.34 | 4.37 | -0.03 |
| Jun | 3.85 | 3.85 | 0.00 |
| Jul | 4.14 | 4.06 | 0.08 |
| Aug | 3.57 | 3.55 | 0.02 |
| Sep | 2.39 | 2.38 | 0.01 |
| Oct | 1.94 | 1.92 | 0.02 |
| Nov | 1.10 | 1.11 | -0.01 |
| Dec | 0.96 | 0.98 | -0.02 |
27.56 | 27.46 | 0.10 |