| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.43 | 0.25 |
| Feb | 3.87 | 3.63 | 0.24 |
| Mar | 4.57 | 4.18 | 0.39 |
| Apr | 4.61 | 4.39 | 0.22 |
| May | 4.39 | 4.25 | 0.14 |
| Jun | 4.70 | 4.51 | 0.19 |
| Jul | 4.56 | 4.75 | -0.19 |
| Aug | 4.97 | 5.20 | -0.23 |
| Sep | 4.54 | 4.35 | 0.19 |
| Oct | 3.96 | 3.55 | 0.41 |
| Nov | 4.17 | 3.80 | 0.37 |
| Dec | 4.61 | 4.54 | 0.07 |
53.63 | 51.58 | 2.05 |