| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.82 | 0.07 |
| Feb | 2.97 | 3.02 | -0.05 |
| Mar | 3.54 | 3.50 | 0.04 |
| Apr | 3.92 | 3.75 | 0.17 |
| May | 5.03 | 5.21 | -0.18 |
| Jun | 4.82 | 4.78 | 0.04 |
| Jul | 3.69 | 3.48 | 0.21 |
| Aug | 4.32 | 4.46 | -0.14 |
| Sep | 4.32 | 4.38 | -0.06 |
| Oct | 4.77 | 4.82 | -0.05 |
| Nov | 4.24 | 4.27 | -0.03 |
| Dec | 3.89 | 3.88 | 0.01 |
49.40 | 49.37 | 0.03 |