| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.36 | -0.18 |
| Feb | 1.00 | 1.10 | -0.10 |
| Mar | 1.53 | 1.64 | -0.11 |
| Apr | 2.63 | 2.81 | -0.18 |
| May | 3.30 | 3.43 | -0.13 |
| Jun | 3.60 | 3.77 | -0.17 |
| Jul | 3.83 | 3.96 | -0.13 |
| Aug | 3.31 | 3.36 | -0.05 |
| Sep | 3.12 | 3.10 | 0.02 |
| Oct | 3.11 | 3.01 | 0.10 |
| Nov | 2.04 | 1.87 | 0.17 |
| Dec | 1.53 | 1.69 | -0.16 |
30.18 | 31.10 | -0.92 |