| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.23 | -0.03 |
| Feb | 4.83 | 4.68 | 0.15 |
| Mar | 5.57 | 5.61 | -0.04 |
| Apr | 5.39 | 5.26 | 0.13 |
| May | 5.39 | 5.61 | -0.22 |
| Jun | 4.60 | 4.77 | -0.17 |
| Jul | 4.38 | 4.50 | -0.12 |
| Aug | 3.65 | 3.48 | 0.17 |
| Sep | 3.91 | 3.87 | 0.04 |
| Oct | 3.66 | 3.79 | -0.13 |
| Nov | 4.51 | 4.37 | 0.14 |
| Dec | 5.21 | 5.19 | 0.02 |
55.30 | 55.36 | -0.06 |