| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.64 | -0.03 |
| Feb | 1.52 | 1.58 | -0.06 |
| Mar | 1.96 | 1.92 | 0.04 |
| Apr | 3.64 | 3.66 | -0.02 |
| May | 3.67 | 3.72 | -0.05 |
| Jun | 4.23 | 4.51 | -0.28 |
| Jul | 3.41 | 3.41 | 0.00 |
| Aug | 3.65 | 3.60 | 0.05 |
| Sep | 3.17 | 3.03 | 0.14 |
| Oct | 2.79 | 2.81 | -0.02 |
| Nov | 2.11 | 2.06 | 0.05 |
| Dec | 1.84 | 1.93 | -0.09 |
33.60 | 33.87 | -0.27 |