| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 4.07 | -0.20 |
| Feb | 4.50 | 4.47 | 0.03 |
| Mar | 4.71 | 4.68 | 0.03 |
| Apr | 4.62 | 4.75 | -0.13 |
| May | 5.08 | 5.15 | -0.07 |
| Jun | 4.10 | 4.01 | 0.09 |
| Jul | 3.38 | 3.30 | 0.08 |
| Aug | 3.10 | 2.86 | 0.24 |
| Sep | 3.87 | 3.87 | 0.00 |
| Oct | 4.53 | 4.70 | -0.17 |
| Nov | 4.17 | 4.21 | -0.04 |
| Dec | 4.89 | 5.00 | -0.11 |
50.82 | 51.07 | -0.25 |