| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 4.25 | -0.28 |
| Feb | 4.69 | 4.68 | 0.01 |
| Mar | 5.18 | 5.29 | -0.11 |
| Apr | 5.19 | 5.21 | -0.02 |
| May | 5.27 | 5.65 | -0.38 |
| Jun | 4.61 | 5.04 | -0.43 |
| Jul | 4.33 | 4.47 | -0.14 |
| Aug | 3.14 | 3.50 | -0.36 |
| Sep | 3.71 | 3.81 | -0.10 |
| Oct | 3.61 | 3.98 | -0.37 |
| Nov | 4.16 | 4.40 | -0.24 |
| Dec | 5.08 | 5.28 | -0.20 |
52.94 | 55.56 | -2.62 |