| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.97 | -0.18 |
| Feb | 0.81 | 0.94 | -0.13 |
| Mar | 1.63 | 1.73 | -0.10 |
| Apr | 2.90 | 3.15 | -0.25 |
| May | 4.14 | 4.30 | -0.16 |
| Jun | 4.71 | 4.97 | -0.26 |
| Jul | 4.20 | 4.35 | -0.15 |
| Aug | 4.65 | 4.51 | 0.14 |
| Sep | 3.35 | 3.41 | -0.06 |
| Oct | 2.79 | 3.03 | -0.24 |
| Nov | 1.62 | 1.71 | -0.09 |
| Dec | 1.14 | 1.32 | -0.18 |
32.73 | 34.39 | -1.66 |