| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.86 | -0.03 |
| Feb | 0.86 | 0.92 | -0.06 |
| Mar | 1.42 | 1.49 | -0.07 |
| Apr | 2.60 | 2.64 | -0.04 |
| May | 3.47 | 3.53 | -0.06 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 4.46 | 4.64 | -0.18 |
| Aug | 3.77 | 3.86 | -0.09 |
| Sep | 3.21 | 3.28 | -0.07 |
| Oct | 3.10 | 3.04 | 0.06 |
| Nov | 1.65 | 1.69 | -0.04 |
| Dec | 1.20 | 1.32 | -0.12 |
31.08 | 31.86 | -0.78 |