| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.06 | 5.07 | -0.01 |
| Feb | 5.32 | 5.26 | 0.06 |
| Mar | 5.36 | 5.15 | 0.21 |
| Apr | 5.10 | 5.27 | -0.17 |
| May | 4.06 | 4.28 | -0.22 |
| Jun | 4.59 | 4.63 | -0.04 |
| Jul | 4.82 | 5.28 | -0.46 |
| Aug | 3.85 | 3.67 | 0.18 |
| Sep | 4.13 | 4.17 | -0.04 |
| Oct | 3.49 | 3.12 | 0.37 |
| Nov | 4.69 | 4.24 | 0.45 |
| Dec | 6.09 | 5.72 | 0.37 |
56.56 | 55.86 | 0.70 |