| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.54 | 4.47 | 0.07 |
| Feb | 3.63 | 3.65 | -0.02 |
| Mar | 4.73 | 4.81 | -0.08 |
| Apr | 5.36 | 5.44 | -0.08 |
| May | 5.40 | 5.34 | 0.06 |
| Jun | 5.24 | 5.54 | -0.30 |
| Jul | 5.38 | 5.47 | -0.09 |
| Aug | 5.40 | 5.30 | 0.10 |
| Sep | 5.62 | 5.55 | 0.07 |
| Oct | 4.60 | 4.50 | 0.10 |
| Nov | 4.47 | 4.46 | 0.01 |
| Dec | 4.42 | 4.43 | -0.01 |
58.79 | 58.96 | -0.17 |