| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.91 | -0.22 |
| Feb | 1.72 | 1.72 | 0.00 |
| Mar | 2.24 | 2.50 | -0.26 |
| Apr | 3.71 | 3.96 | -0.25 |
| May | 3.91 | 4.14 | -0.23 |
| Jun | 4.10 | 4.02 | 0.08 |
| Jul | 3.25 | 3.41 | -0.16 |
| Aug | 3.55 | 3.52 | 0.03 |
| Sep | 3.33 | 3.50 | -0.17 |
| Oct | 3.17 | 3.19 | -0.02 |
| Nov | 2.33 | 2.37 | -0.04 |
| Dec | 1.87 | 2.04 | -0.17 |
34.87 | 36.28 | -1.41 |