| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.67 | -0.01 |
| Feb | 0.64 | 0.65 | -0.01 |
| Mar | 1.47 | 1.51 | -0.04 |
| Apr | 1.86 | 1.96 | -0.10 |
| May | 2.76 | 2.77 | -0.01 |
| Jun | 3.45 | 3.46 | -0.01 |
| Jul | 2.87 | 2.70 | 0.17 |
| Aug | 2.82 | 3.01 | -0.19 |
| Sep | 1.52 | 1.50 | 0.02 |
| Oct | 1.83 | 2.04 | -0.21 |
| Nov | 0.78 | 0.81 | -0.03 |
| Dec | 0.96 | 0.99 | -0.03 |
21.62 | 22.07 | -0.45 |