| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.83 | -0.39 |
| Feb | 2.01 | 2.23 | -0.22 |
| Mar | 2.47 | 2.77 | -0.30 |
| Apr | 3.12 | 3.32 | -0.20 |
| May | 3.43 | 3.67 | -0.24 |
| Jun | 3.81 | 4.13 | -0.32 |
| Jul | 3.96 | 4.28 | -0.32 |
| Aug | 3.89 | 4.03 | -0.14 |
| Sep | 3.46 | 3.43 | 0.03 |
| Oct | 3.88 | 3.91 | -0.03 |
| Nov | 2.94 | 3.11 | -0.17 |
| Dec | 2.69 | 2.98 | -0.29 |
38.10 | 40.69 | -2.59 |