| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.94 | -0.04 |
| Feb | 0.86 | 0.97 | -0.11 |
| Mar | 1.36 | 1.43 | -0.07 |
| Apr | 2.45 | 2.57 | -0.12 |
| May | 3.25 | 3.36 | -0.11 |
| Jun | 4.38 | 4.48 | -0.10 |
| Jul | 4.05 | 4.10 | -0.05 |
| Aug | 3.64 | 3.79 | -0.15 |
| Sep | 3.21 | 3.37 | -0.16 |
| Oct | 2.96 | 3.06 | -0.10 |
| Nov | 1.70 | 1.85 | -0.15 |
| Dec | 1.27 | 1.49 | -0.22 |
30.03 | 31.41 | -1.38 |