| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.76 | -0.34 |
| Feb | 2.87 | 3.16 | -0.29 |
| Mar | 4.09 | 4.30 | -0.21 |
| Apr | 4.06 | 4.25 | -0.19 |
| May | 3.85 | 3.92 | -0.07 |
| Jun | 4.30 | 4.54 | -0.24 |
| Jul | 4.05 | 3.96 | 0.09 |
| Aug | 4.01 | 4.20 | -0.19 |
| Sep | 4.47 | 4.59 | -0.12 |
| Oct | 4.40 | 4.46 | -0.06 |
| Nov | 3.47 | 3.76 | -0.29 |
| Dec | 4.05 | 4.44 | -0.39 |
47.04 | 49.34 | -2.30 |