| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.96 | -0.21 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.61 | 1.71 | -0.10 |
| Apr | 2.89 | 3.13 | -0.24 |
| May | 4.15 | 4.17 | -0.02 |
| Jun | 4.50 | 4.67 | -0.17 |
| Jul | 4.19 | 4.42 | -0.23 |
| Aug | 4.50 | 4.36 | 0.14 |
| Sep | 3.31 | 3.26 | 0.05 |
| Oct | 2.72 | 2.84 | -0.12 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.06 | 1.28 | -0.22 |
32.03 | 33.40 | -1.37 |