| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.40 | 0.02 |
| Feb | 3.15 | 3.04 | 0.11 |
| Mar | 3.41 | 3.49 | -0.08 |
| Apr | 3.20 | 3.17 | 0.03 |
| May | 3.01 | 2.97 | 0.04 |
| Jun | 5.80 | 6.06 | -0.26 |
| Jul | 5.45 | 5.59 | -0.14 |
| Aug | 6.44 | 6.75 | -0.31 |
| Sep | 5.06 | 5.16 | -0.10 |
| Oct | 3.84 | 4.36 | -0.52 |
| Nov | 2.12 | 2.24 | -0.12 |
| Dec | 3.02 | 3.10 | -0.08 |
47.92 | 49.33 | -1.41 |