| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.42 | -0.23 |
| Feb | 3.02 | 3.18 | -0.16 |
| Mar | 3.87 | 4.07 | -0.20 |
| Apr | 4.05 | 4.21 | -0.16 |
| May | 4.44 | 4.52 | -0.08 |
| Jun | 4.25 | 4.47 | -0.22 |
| Jul | 4.61 | 4.62 | -0.01 |
| Aug | 3.37 | 3.41 | -0.04 |
| Sep | 3.41 | 3.37 | 0.04 |
| Oct | 3.05 | 3.16 | -0.11 |
| Nov | 2.91 | 2.99 | -0.08 |
| Dec | 3.37 | 3.42 | -0.05 |
43.54 | 44.84 | -1.30 |