| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 1.04 | -0.04 |
| Feb | 0.95 | 1.08 | -0.13 |
| Mar | 1.45 | 1.50 | -0.05 |
| Apr | 2.46 | 2.57 | -0.11 |
| May | 3.17 | 3.25 | -0.08 |
| Jun | 4.29 | 4.39 | -0.10 |
| Jul | 3.88 | 3.84 | 0.04 |
| Aug | 3.41 | 3.50 | -0.09 |
| Sep | 3.29 | 3.50 | -0.21 |
| Oct | 2.96 | 3.06 | -0.10 |
| Nov | 1.84 | 2.00 | -0.16 |
| Dec | 1.38 | 1.58 | -0.20 |
30.08 | 31.31 | -1.23 |