| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.69 | -0.17 |
| Feb | 2.01 | 2.12 | -0.11 |
| Mar | 2.31 | 2.30 | 0.01 |
| Apr | 3.67 | 3.71 | -0.04 |
| May | 3.84 | 4.02 | -0.18 |
| Jun | 3.57 | 3.73 | -0.16 |
| Jul | 3.32 | 3.36 | -0.04 |
| Aug | 3.49 | 3.54 | -0.05 |
| Sep | 3.17 | 3.20 | -0.03 |
| Oct | 3.82 | 3.72 | 0.10 |
| Nov | 2.93 | 3.03 | -0.10 |
| Dec | 2.39 | 2.58 | -0.19 |
37.04 | 38.00 | -0.96 |