| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.78 | -0.25 |
| Feb | 2.92 | 3.01 | -0.09 |
| Mar | 3.86 | 3.94 | -0.08 |
| Apr | 3.45 | 3.73 | -0.28 |
| May | 3.83 | 4.01 | -0.18 |
| Jun | 4.53 | 4.64 | -0.11 |
| Jul | 5.48 | 5.35 | 0.13 |
| Aug | 5.30 | 5.39 | -0.09 |
| Sep | 5.09 | 5.02 | 0.07 |
| Oct | 3.94 | 4.20 | -0.26 |
| Nov | 3.21 | 3.49 | -0.28 |
| Dec | 3.32 | 3.59 | -0.27 |
48.46 | 50.15 | -1.69 |