| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 1.05 | -0.07 |
| Feb | 1.45 | 1.54 | -0.09 |
| Mar | 2.37 | 2.36 | 0.01 |
| Apr | 3.83 | 3.86 | -0.03 |
| May | 5.32 | 5.57 | -0.25 |
| Jun | 4.96 | 5.08 | -0.12 |
| Jul | 4.22 | 4.25 | -0.03 |
| Aug | 3.86 | 4.01 | -0.15 |
| Sep | 3.98 | 4.21 | -0.23 |
| Oct | 3.06 | 3.15 | -0.09 |
| Nov | 2.18 | 2.17 | 0.01 |
| Dec | 1.55 | 1.57 | -0.02 |
37.76 | 38.82 | -1.06 |