| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.56 | -0.09 |
| Feb | 2.91 | 2.98 | -0.07 |
| Mar | 4.17 | 4.09 | 0.08 |
| Apr | 3.81 | 3.86 | -0.05 |
| May | 3.93 | 3.94 | -0.01 |
| Jun | 4.34 | 4.47 | -0.13 |
| Jul | 4.70 | 4.70 | 0.00 |
| Aug | 4.33 | 4.54 | -0.21 |
| Sep | 4.02 | 4.09 | -0.07 |
| Oct | 4.13 | 4.10 | 0.03 |
| Nov | 3.34 | 3.33 | 0.01 |
| Dec | 4.27 | 4.34 | -0.07 |
47.42 | 48.00 | -0.58 |