| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.70 | -0.14 |
| Feb | 1.46 | 1.57 | -0.11 |
| Mar | 1.93 | 2.05 | -0.12 |
| Apr | 3.61 | 3.85 | -0.24 |
| May | 3.68 | 3.89 | -0.21 |
| Jun | 4.27 | 4.38 | -0.11 |
| Jul | 3.52 | 3.73 | -0.21 |
| Aug | 3.65 | 3.84 | -0.19 |
| Sep | 3.10 | 3.19 | -0.09 |
| Oct | 2.72 | 2.83 | -0.11 |
| Nov | 2.05 | 2.12 | -0.07 |
| Dec | 1.76 | 2.00 | -0.24 |
33.31 | 35.15 | -1.84 |