| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.28 | -0.16 |
| Feb | 1.46 | 1.64 | -0.18 |
| Mar | 2.31 | 2.48 | -0.17 |
| Apr | 3.97 | 4.08 | -0.11 |
| May | 5.33 | 5.40 | -0.07 |
| Jun | 5.14 | 5.31 | -0.17 |
| Jul | 4.63 | 4.66 | -0.03 |
| Aug | 4.37 | 4.40 | -0.03 |
| Sep | 3.79 | 4.24 | -0.45 |
| Oct | 3.22 | 3.40 | -0.18 |
| Nov | 2.06 | 2.21 | -0.15 |
| Dec | 1.58 | 1.71 | -0.13 |
38.98 | 40.81 | -1.83 |