| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.98 | -0.21 |
| Feb | 0.78 | 0.93 | -0.15 |
| Mar | 1.62 | 1.77 | -0.15 |
| Apr | 2.88 | 3.13 | -0.25 |
| May | 4.13 | 4.24 | -0.11 |
| Jun | 4.56 | 4.86 | -0.30 |
| Jul | 4.24 | 4.37 | -0.13 |
| Aug | 4.57 | 4.39 | 0.18 |
| Sep | 3.32 | 3.33 | -0.01 |
| Oct | 2.75 | 2.93 | -0.18 |
| Nov | 1.58 | 1.73 | -0.15 |
| Dec | 1.12 | 1.35 | -0.23 |
32.32 | 34.01 | -1.69 |