| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.54 | -0.17 |
| Feb | 3.17 | 3.41 | -0.24 |
| Mar | 3.99 | 3.96 | 0.03 |
| Apr | 4.28 | 4.41 | -0.13 |
| May | 3.60 | 3.60 | 0.00 |
| Jun | 4.42 | 4.69 | -0.27 |
| Jul | 3.56 | 3.74 | -0.18 |
| Aug | 3.47 | 3.52 | -0.05 |
| Sep | 3.94 | 3.98 | -0.04 |
| Oct | 5.21 | 5.51 | -0.30 |
| Nov | 4.43 | 4.39 | 0.04 |
| Dec | 4.30 | 4.64 | -0.34 |
47.74 | 49.39 | -1.65 |