| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.61 | -0.15 |
| Feb | 2.73 | 2.82 | -0.09 |
| Mar | 4.11 | 4.22 | -0.11 |
| Apr | 3.60 | 3.83 | -0.23 |
| May | 4.03 | 4.03 | 0.00 |
| Jun | 4.37 | 4.54 | -0.17 |
| Jul | 5.08 | 4.90 | 0.18 |
| Aug | 4.26 | 4.47 | -0.21 |
| Sep | 4.07 | 4.21 | -0.14 |
| Oct | 4.12 | 4.12 | 0.00 |
| Nov | 3.23 | 3.37 | -0.14 |
| Dec | 4.28 | 4.37 | -0.09 |
47.34 | 48.49 | -1.15 |