| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.42 | 0.05 |
| Feb | 3.16 | 3.12 | 0.04 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.13 | 3.23 | -0.10 |
| May | 3.50 | 3.27 | 0.23 |
| Jun | 5.85 | 6.19 | -0.34 |
| Jul | 5.66 | 5.72 | -0.06 |
| Aug | 5.89 | 6.63 | -0.74 |
| Sep | 4.68 | 4.85 | -0.17 |
| Oct | 3.58 | 4.25 | -0.67 |
| Nov | 2.25 | 2.52 | -0.27 |
| Dec | 3.01 | 3.31 | -0.30 |
47.64 | 50.05 | -2.41 |