| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.67 | -0.15 |
| Feb | 3.06 | 3.22 | -0.16 |
| Mar | 3.68 | 3.82 | -0.14 |
| Apr | 4.08 | 4.49 | -0.41 |
| May | 3.89 | 4.01 | -0.12 |
| Jun | 4.57 | 4.75 | -0.18 |
| Jul | 4.75 | 4.92 | -0.17 |
| Aug | 4.26 | 4.44 | -0.18 |
| Sep | 3.89 | 3.99 | -0.10 |
| Oct | 5.25 | 5.86 | -0.61 |
| Nov | 4.29 | 4.41 | -0.12 |
| Dec | 4.48 | 4.68 | -0.20 |
49.72 | 52.26 | -2.54 |