| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.54 | -0.06 |
| Feb | 2.79 | 2.86 | -0.07 |
| Mar | 4.02 | 4.13 | -0.11 |
| Apr | 3.59 | 3.81 | -0.22 |
| May | 3.57 | 3.58 | -0.01 |
| Jun | 4.08 | 4.29 | -0.21 |
| Jul | 4.28 | 4.46 | -0.18 |
| Aug | 4.04 | 4.11 | -0.07 |
| Sep | 4.63 | 4.81 | -0.18 |
| Oct | 3.13 | 3.18 | -0.05 |
| Nov | 3.36 | 3.35 | 0.01 |
| Dec | 3.36 | 3.49 | -0.13 |
44.33 | 45.61 | -1.28 |