| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.92 | -0.28 |
| Feb | 2.19 | 2.36 | -0.17 |
| Mar | 3.26 | 3.37 | -0.11 |
| Apr | 3.85 | 3.94 | -0.09 |
| May | 4.32 | 4.23 | 0.09 |
| Jun | 4.37 | 4.44 | -0.07 |
| Jul | 4.22 | 4.25 | -0.03 |
| Aug | 3.13 | 3.31 | -0.18 |
| Sep | 3.01 | 3.04 | -0.03 |
| Oct | 2.67 | 2.83 | -0.16 |
| Nov | 2.70 | 2.84 | -0.14 |
| Dec | 2.85 | 3.02 | -0.17 |
39.21 | 40.55 | -1.34 |