| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.38 | -0.14 |
| Feb | 2.61 | 2.81 | -0.20 |
| Mar | 3.68 | 3.86 | -0.18 |
| Apr | 3.65 | 3.83 | -0.18 |
| May | 3.75 | 3.85 | -0.10 |
| Jun | 4.38 | 4.71 | -0.33 |
| Jul | 4.29 | 4.36 | -0.07 |
| Aug | 4.43 | 4.75 | -0.32 |
| Sep | 4.29 | 4.37 | -0.08 |
| Oct | 4.34 | 4.62 | -0.28 |
| Nov | 3.22 | 3.31 | -0.09 |
| Dec | 3.84 | 4.13 | -0.29 |
45.72 | 47.98 | -2.26 |