| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.81 | 0.10 |
| Feb | 3.61 | 3.65 | -0.04 |
| Mar | 3.90 | 3.92 | -0.02 |
| Apr | 3.14 | 3.12 | 0.02 |
| May | 3.42 | 3.38 | 0.04 |
| Jun | 4.89 | 5.25 | -0.36 |
| Jul | 5.22 | 5.24 | -0.02 |
| Aug | 5.14 | 5.31 | -0.17 |
| Sep | 4.11 | 4.11 | 0.00 |
| Oct | 3.09 | 3.06 | 0.03 |
| Nov | 2.85 | 2.74 | 0.11 |
| Dec | 3.73 | 3.74 | -0.01 |
47.01 | 47.33 | -0.32 |