| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 1.12 | -0.18 |
| Feb | 0.88 | 1.03 | -0.15 |
| Mar | 1.39 | 1.46 | -0.07 |
| Apr | 2.46 | 2.57 | -0.11 |
| May | 3.20 | 3.32 | -0.12 |
| Jun | 4.30 | 4.32 | -0.02 |
| Jul | 3.97 | 3.85 | 0.12 |
| Aug | 3.59 | 3.72 | -0.13 |
| Sep | 3.24 | 3.43 | -0.19 |
| Oct | 2.93 | 3.03 | -0.10 |
| Nov | 1.75 | 1.94 | -0.19 |
| Dec | 1.31 | 1.43 | -0.12 |
29.96 | 31.22 | -1.26 |