| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.57 | -0.15 |
| Feb | 3.02 | 3.10 | -0.08 |
| Mar | 3.40 | 3.47 | -0.07 |
| Apr | 3.03 | 3.14 | -0.11 |
| May | 3.10 | 3.21 | -0.11 |
| Jun | 6.51 | 6.65 | -0.14 |
| Jul | 5.65 | 6.31 | -0.66 |
| Aug | 6.80 | 7.02 | -0.22 |
| Sep | 6.14 | 6.16 | -0.02 |
| Oct | 4.21 | 4.21 | 0.00 |
| Nov | 2.06 | 2.08 | -0.02 |
| Dec | 2.82 | 2.93 | -0.11 |
50.16 | 51.85 | -1.69 |