| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.48 | 4.41 | 0.07 |
| Feb | 5.03 | 4.98 | 0.05 |
| Mar | 3.25 | 3.31 | -0.06 |
| Apr | 1.06 | 1.24 | -0.18 |
| May | 0.57 | 0.63 | -0.06 |
| Jun | 0.10 | 0.16 | -0.06 |
| Jul | 0.05 | 0.06 | -0.01 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.12 | 0.14 | -0.02 |
| Oct | 0.89 | 0.97 | -0.08 |
| Nov | 1.32 | 1.21 | 0.11 |
| Dec | 3.31 | 3.54 | -0.23 |
20.20 | 20.68 | -0.48 |