| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.54 | -0.02 |
| Feb | 3.17 | 3.21 | -0.04 |
| Mar | 4.54 | 4.52 | 0.02 |
| Apr | 5.25 | 5.34 | -0.09 |
| May | 5.67 | 5.46 | 0.21 |
| Jun | 4.92 | 4.86 | 0.06 |
| Jul | 4.40 | 4.42 | -0.02 |
| Aug | 3.13 | 3.07 | 0.06 |
| Sep | 3.52 | 3.77 | -0.25 |
| Oct | 3.45 | 3.47 | -0.02 |
| Nov | 4.07 | 4.05 | 0.02 |
| Dec | 3.89 | 3.91 | -0.02 |
49.53 | 49.62 | -0.09 |