| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.44 | -0.12 |
| Feb | 3.16 | 3.33 | -0.17 |
| Mar | 3.41 | 3.50 | -0.09 |
| Apr | 3.26 | 3.21 | 0.05 |
| May | 3.30 | 3.48 | -0.18 |
| Jun | 5.61 | 5.75 | -0.14 |
| Jul | 5.74 | 6.38 | -0.64 |
| Aug | 6.26 | 6.57 | -0.31 |
| Sep | 5.18 | 5.48 | -0.30 |
| Oct | 4.26 | 4.19 | 0.07 |
| Nov | 2.81 | 2.78 | 0.03 |
| Dec | 3.34 | 3.66 | -0.32 |
49.65 | 51.77 | -2.12 |