| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.91 | 5.22 | -0.31 |
| Feb | 5.33 | 5.31 | 0.02 |
| Mar | 5.37 | 5.52 | -0.15 |
| Apr | 5.16 | 5.75 | -0.59 |
| May | 4.69 | 5.20 | -0.51 |
| Jun | 5.00 | 5.05 | -0.05 |
| Jul | 5.09 | 5.29 | -0.20 |
| Aug | 3.65 | 3.94 | -0.29 |
| Sep | 4.31 | 4.13 | 0.18 |
| Oct | 3.62 | 3.43 | 0.19 |
| Nov | 4.69 | 4.53 | 0.16 |
| Dec | 6.10 | 6.16 | -0.06 |
57.92 | 59.53 | -1.61 |