| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.57 | -0.20 |
| Feb | 3.12 | 3.18 | -0.06 |
| Mar | 4.42 | 4.64 | -0.22 |
| Apr | 3.38 | 3.59 | -0.21 |
| May | 3.24 | 3.31 | -0.07 |
| Jun | 3.68 | 3.56 | 0.12 |
| Jul | 4.36 | 4.18 | 0.18 |
| Aug | 4.47 | 4.53 | -0.06 |
| Sep | 3.69 | 3.65 | 0.04 |
| Oct | 4.01 | 4.29 | -0.28 |
| Nov | 3.29 | 3.43 | -0.14 |
| Dec | 4.39 | 4.55 | -0.16 |
45.42 | 46.48 | -1.06 |