| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.42 | 0.05 |
| Feb | 3.18 | 3.14 | 0.04 |
| Mar | 3.47 | 3.54 | -0.07 |
| Apr | 3.15 | 3.27 | -0.12 |
| May | 3.46 | 3.32 | 0.14 |
| Jun | 5.88 | 6.22 | -0.34 |
| Jul | 5.65 | 5.72 | -0.07 |
| Aug | 5.91 | 6.58 | -0.67 |
| Sep | 4.74 | 4.83 | -0.09 |
| Oct | 3.55 | 4.17 | -0.62 |
| Nov | 2.23 | 2.52 | -0.29 |
| Dec | 3.02 | 3.32 | -0.30 |
47.71 | 50.05 | -2.34 |