| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.52 | -0.15 |
| Feb | 2.97 | 3.01 | -0.04 |
| Mar | 3.57 | 3.72 | -0.15 |
| Apr | 3.33 | 3.46 | -0.13 |
| May | 3.24 | 3.45 | -0.21 |
| Jun | 4.67 | 4.65 | 0.02 |
| Jul | 5.22 | 5.18 | 0.04 |
| Aug | 4.65 | 4.97 | -0.32 |
| Sep | 4.84 | 5.30 | -0.46 |
| Oct | 3.24 | 3.38 | -0.14 |
| Nov | 3.37 | 3.36 | 0.01 |
| Dec | 3.33 | 3.44 | -0.11 |
45.80 | 47.44 | -1.64 |