| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.73 | -0.11 |
| Feb | 3.16 | 3.10 | 0.06 |
| Mar | 4.03 | 3.86 | 0.17 |
| Apr | 3.65 | 3.67 | -0.02 |
| May | 3.87 | 4.03 | -0.16 |
| Jun | 4.54 | 4.55 | -0.01 |
| Jul | 5.55 | 5.50 | 0.05 |
| Aug | 5.60 | 5.61 | -0.01 |
| Sep | 6.31 | 6.34 | -0.03 |
| Oct | 3.39 | 3.50 | -0.11 |
| Nov | 3.26 | 3.29 | -0.03 |
| Dec | 3.40 | 3.30 | 0.10 |
50.38 | 50.48 | -0.10 |