| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.21 | -0.02 |
| Feb | 1.94 | 1.99 | -0.05 |
| Mar | 2.43 | 2.40 | 0.03 |
| Apr | 3.81 | 3.82 | -0.01 |
| May | 4.50 | 4.58 | -0.08 |
| Jun | 4.49 | 4.46 | 0.03 |
| Jul | 4.15 | 4.31 | -0.16 |
| Aug | 3.99 | 4.04 | -0.05 |
| Sep | 3.37 | 3.32 | 0.05 |
| Oct | 3.44 | 3.46 | -0.02 |
| Nov | 2.68 | 2.68 | 0.00 |
| Dec | 2.20 | 2.23 | -0.03 |
39.19 | 39.50 | -0.31 |