| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.32 | 1.30 | 0.02 |
| Feb | 1.57 | 1.52 | 0.05 |
| Mar | 2.30 | 2.22 | 0.08 |
| Apr | 2.56 | 2.64 | -0.08 |
| May | 4.06 | 3.96 | 0.10 |
| Jun | 3.57 | 3.61 | -0.04 |
| Jul | 2.45 | 2.25 | 0.20 |
| Aug | 2.30 | 2.32 | -0.02 |
| Sep | 3.13 | 2.92 | 0.21 |
| Oct | 3.21 | 3.10 | 0.11 |
| Nov | 1.87 | 1.89 | -0.02 |
| Dec | 1.65 | 1.65 | 0.00 |
29.99 | 29.38 | 0.61 |