| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.86 | -0.14 |
| Feb | 0.69 | 0.77 | -0.08 |
| Mar | 1.04 | 1.10 | -0.06 |
| Apr | 1.83 | 2.02 | -0.19 |
| May | 2.98 | 3.10 | -0.12 |
| Jun | 4.37 | 4.45 | -0.08 |
| Jul | 3.73 | 4.14 | -0.41 |
| Aug | 3.35 | 3.42 | -0.07 |
| Sep | 3.30 | 3.45 | -0.15 |
| Oct | 2.57 | 2.77 | -0.20 |
| Nov | 1.35 | 1.46 | -0.11 |
| Dec | 0.97 | 1.21 | -0.24 |
26.90 | 28.75 | -1.85 |