| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.40 | -0.20 |
| Feb | 3.67 | 3.94 | -0.27 |
| Mar | 5.25 | 5.56 | -0.31 |
| Apr | 4.46 | 4.51 | -0.05 |
| May | 3.57 | 3.67 | -0.10 |
| Jun | 3.80 | 3.79 | 0.01 |
| Jul | 3.26 | 3.38 | -0.12 |
| Aug | 3.59 | 3.75 | -0.16 |
| Sep | 4.17 | 3.99 | 0.18 |
| Oct | 4.97 | 4.75 | 0.22 |
| Nov | 4.48 | 4.51 | -0.03 |
| Dec | 4.88 | 5.01 | -0.13 |
50.30 | 51.26 | -0.96 |