| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.61 | -0.03 |
| Feb | 1.49 | 1.58 | -0.09 |
| Mar | 1.96 | 2.02 | -0.06 |
| Apr | 3.66 | 3.70 | -0.04 |
| May | 4.03 | 4.08 | -0.05 |
| Jun | 4.79 | 4.84 | -0.05 |
| Jul | 3.98 | 4.00 | -0.02 |
| Aug | 3.94 | 4.00 | -0.06 |
| Sep | 3.32 | 3.30 | 0.02 |
| Oct | 2.81 | 2.83 | -0.02 |
| Nov | 2.18 | 2.16 | 0.02 |
| Dec | 1.78 | 1.86 | -0.08 |
35.52 | 35.98 | -0.46 |