| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.71 | 4.85 | -0.14 |
| Feb | 4.90 | 5.05 | -0.15 |
| Mar | 5.03 | 5.14 | -0.11 |
| Apr | 4.31 | 4.31 | 0.00 |
| May | 3.68 | 3.95 | -0.27 |
| Jun | 3.93 | 4.15 | -0.22 |
| Jul | 4.51 | 4.72 | -0.21 |
| Aug | 3.73 | 4.03 | -0.30 |
| Sep | 3.56 | 3.81 | -0.25 |
| Oct | 3.30 | 3.40 | -0.10 |
| Nov | 4.16 | 4.26 | -0.10 |
| Dec | 4.77 | 4.87 | -0.10 |
50.59 | 52.54 | -1.95 |