| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.61 | -0.30 |
| Feb | 2.97 | 3.18 | -0.21 |
| Mar | 3.82 | 4.08 | -0.26 |
| Apr | 3.93 | 4.15 | -0.22 |
| May | 3.65 | 3.69 | -0.04 |
| Jun | 4.33 | 4.30 | 0.03 |
| Jul | 4.14 | 4.10 | 0.04 |
| Aug | 4.14 | 4.26 | -0.12 |
| Sep | 4.25 | 4.21 | 0.04 |
| Oct | 4.74 | 5.08 | -0.34 |
| Nov | 3.67 | 3.90 | -0.23 |
| Dec | 4.13 | 4.52 | -0.39 |
47.08 | 49.08 | -2.00 |