| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.31 | -0.01 |
| Feb | 3.10 | 3.01 | 0.09 |
| Mar | 3.35 | 3.40 | -0.05 |
| Apr | 3.23 | 3.22 | 0.01 |
| May | 3.09 | 3.00 | 0.09 |
| Jun | 5.25 | 5.45 | -0.20 |
| Jul | 5.86 | 5.42 | 0.44 |
| Aug | 6.41 | 6.68 | -0.27 |
| Sep | 4.51 | 4.57 | -0.06 |
| Oct | 4.02 | 3.83 | 0.19 |
| Nov | 2.57 | 2.47 | 0.10 |
| Dec | 3.11 | 3.25 | -0.14 |
47.80 | 47.61 | 0.19 |