| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.49 | -0.30 |
| Feb | 2.59 | 2.93 | -0.34 |
| Mar | 3.56 | 3.75 | -0.19 |
| Apr | 3.60 | 3.75 | -0.15 |
| May | 3.64 | 3.78 | -0.14 |
| Jun | 4.33 | 4.39 | -0.06 |
| Jul | 4.25 | 4.60 | -0.35 |
| Aug | 4.39 | 4.62 | -0.23 |
| Sep | 4.43 | 4.56 | -0.13 |
| Oct | 4.55 | 4.65 | -0.10 |
| Nov | 3.55 | 3.57 | -0.02 |
| Dec | 3.86 | 4.24 | -0.38 |
45.94 | 48.33 | -2.39 |