| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.75 | -0.10 |
| Feb | 3.33 | 3.57 | -0.24 |
| Mar | 4.73 | 4.85 | -0.12 |
| Apr | 5.30 | 5.44 | -0.14 |
| May | 5.36 | 5.40 | -0.04 |
| Jun | 4.54 | 4.96 | -0.42 |
| Jul | 4.41 | 4.33 | 0.08 |
| Aug | 3.09 | 3.19 | -0.10 |
| Sep | 3.68 | 3.77 | -0.09 |
| Oct | 3.52 | 3.70 | -0.18 |
| Nov | 3.94 | 4.10 | -0.16 |
| Dec | 3.92 | 4.18 | -0.26 |
49.47 | 51.24 | -1.77 |