| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.30 | -0.05 |
| Feb | 3.06 | 3.13 | -0.07 |
| Mar | 4.13 | 4.18 | -0.05 |
| Apr | 4.44 | 4.56 | -0.12 |
| May | 4.88 | 4.89 | -0.01 |
| Jun | 4.73 | 4.57 | 0.16 |
| Jul | 4.59 | 4.72 | -0.13 |
| Aug | 3.47 | 3.49 | -0.02 |
| Sep | 3.17 | 3.21 | -0.04 |
| Oct | 3.20 | 3.18 | 0.02 |
| Nov | 3.12 | 3.13 | -0.01 |
| Dec | 3.65 | 3.62 | 0.03 |
45.69 | 45.98 | -0.29 |