| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.19 | 5.23 | -0.04 |
| Feb | 4.40 | 4.42 | -0.02 |
| Mar | 4.58 | 4.48 | 0.10 |
| Apr | 4.33 | 4.70 | -0.37 |
| May | 4.86 | 4.79 | 0.07 |
| Jun | 5.30 | 5.61 | -0.31 |
| Jul | 4.41 | 4.63 | -0.22 |
| Aug | 4.64 | 5.15 | -0.51 |
| Sep | 4.77 | 4.89 | -0.12 |
| Oct | 5.67 | 5.28 | 0.39 |
| Nov | 4.90 | 5.04 | -0.14 |
| Dec | 5.46 | 5.50 | -0.04 |
58.51 | 59.72 | -1.21 |