| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.93 | -0.07 |
| Feb | 3.60 | 3.61 | -0.01 |
| Mar | 4.13 | 4.20 | -0.07 |
| Apr | 3.16 | 3.15 | 0.01 |
| May | 3.19 | 3.26 | -0.07 |
| Jun | 4.59 | 4.65 | -0.06 |
| Jul | 4.10 | 4.23 | -0.13 |
| Aug | 4.41 | 4.65 | -0.24 |
| Sep | 3.82 | 3.97 | -0.15 |
| Oct | 3.19 | 3.17 | 0.02 |
| Nov | 3.21 | 3.32 | -0.11 |
| Dec | 4.12 | 4.05 | 0.07 |
45.38 | 46.19 | -0.81 |