| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.22 | -0.02 |
| Feb | 4.83 | 4.68 | 0.15 |
| Mar | 5.57 | 5.59 | -0.02 |
| Apr | 5.39 | 5.23 | 0.16 |
| May | 5.39 | 5.65 | -0.26 |
| Jun | 4.60 | 4.73 | -0.13 |
| Jul | 4.38 | 4.48 | -0.10 |
| Aug | 3.65 | 3.48 | 0.17 |
| Sep | 3.91 | 3.85 | 0.06 |
| Oct | 3.66 | 3.79 | -0.13 |
| Nov | 4.51 | 4.38 | 0.13 |
| Dec | 5.21 | 5.18 | 0.03 |
55.30 | 55.26 | 0.04 |