| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.31 | -0.31 |
| Feb | 3.30 | 3.63 | -0.33 |
| Mar | 4.15 | 4.38 | -0.23 |
| Apr | 4.17 | 4.33 | -0.16 |
| May | 4.02 | 4.24 | -0.22 |
| Jun | 4.28 | 4.68 | -0.40 |
| Jul | 4.18 | 4.44 | -0.26 |
| Aug | 4.52 | 4.76 | -0.24 |
| Sep | 4.22 | 4.64 | -0.42 |
| Oct | 3.49 | 3.77 | -0.28 |
| Nov | 3.59 | 3.72 | -0.13 |
| Dec | 4.16 | 4.68 | -0.52 |
48.08 | 51.58 | -3.50 |