| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.46 | 0.05 |
| Feb | 1.69 | 1.77 | -0.08 |
| Mar | 2.81 | 2.77 | 0.04 |
| Apr | 3.83 | 3.77 | 0.06 |
| May | 5.14 | 5.09 | 0.05 |
| Jun | 4.87 | 4.93 | -0.06 |
| Jul | 3.86 | 3.43 | 0.43 |
| Aug | 3.37 | 3.31 | 0.06 |
| Sep | 3.81 | 3.57 | 0.24 |
| Oct | 3.49 | 3.67 | -0.18 |
| Nov | 2.24 | 2.22 | 0.02 |
| Dec | 2.04 | 1.90 | 0.14 |
38.66 | 37.89 | 0.77 |