| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.04 | -0.02 |
| Feb | 1.77 | 1.87 | -0.10 |
| Mar | 2.36 | 2.36 | 0.00 |
| Apr | 3.79 | 3.82 | -0.03 |
| May | 4.58 | 4.61 | -0.03 |
| Jun | 4.43 | 4.44 | -0.01 |
| Jul | 4.16 | 4.21 | -0.05 |
| Aug | 4.01 | 3.93 | 0.08 |
| Sep | 3.29 | 3.28 | 0.01 |
| Oct | 3.31 | 3.28 | 0.03 |
| Nov | 2.57 | 2.47 | 0.10 |
| Dec | 2.10 | 2.09 | 0.01 |
38.39 | 38.40 | -0.01 |