| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.56 | -0.01 |
| Feb | 3.03 | 2.93 | 0.10 |
| Mar | 4.00 | 3.98 | 0.02 |
| Apr | 3.59 | 3.63 | -0.04 |
| May | 3.52 | 3.52 | 0.00 |
| Jun | 4.21 | 4.25 | -0.04 |
| Jul | 5.20 | 5.07 | 0.13 |
| Aug | 5.21 | 5.22 | -0.01 |
| Sep | 5.55 | 5.68 | -0.13 |
| Oct | 3.32 | 3.36 | -0.04 |
| Nov | 3.23 | 3.24 | -0.01 |
| Dec | 3.38 | 3.41 | -0.03 |
47.79 | 47.85 | -0.06 |