| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.19 | -0.02 |
| Feb | 1.57 | 1.61 | -0.04 |
| Mar | 2.46 | 2.43 | 0.03 |
| Apr | 4.02 | 3.96 | 0.06 |
| May | 5.62 | 5.63 | -0.01 |
| Jun | 5.25 | 5.26 | -0.01 |
| Jul | 4.25 | 4.19 | 0.06 |
| Aug | 3.84 | 3.99 | -0.15 |
| Sep | 4.12 | 4.28 | -0.16 |
| Oct | 3.24 | 3.40 | -0.16 |
| Nov | 2.28 | 2.27 | 0.01 |
| Dec | 1.67 | 1.66 | 0.01 |
39.49 | 39.87 | -0.38 |