| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.66 | -0.15 |
| Feb | 2.69 | 2.98 | -0.29 |
| Mar | 4.00 | 4.15 | -0.15 |
| Apr | 3.92 | 4.00 | -0.08 |
| May | 3.78 | 3.93 | -0.15 |
| Jun | 4.53 | 4.73 | -0.20 |
| Jul | 4.25 | 4.39 | -0.14 |
| Aug | 4.39 | 4.61 | -0.22 |
| Sep | 4.38 | 4.57 | -0.19 |
| Oct | 4.55 | 4.77 | -0.22 |
| Nov | 3.60 | 3.84 | -0.24 |
| Dec | 4.17 | 4.56 | -0.39 |
47.77 | 50.19 | -2.42 |