| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.70 | -0.06 |
| Feb | 3.64 | 3.81 | -0.17 |
| Mar | 4.59 | 4.83 | -0.24 |
| Apr | 5.31 | 5.23 | 0.08 |
| May | 4.99 | 5.22 | -0.23 |
| Jun | 4.13 | 3.93 | 0.20 |
| Jul | 3.96 | 3.99 | -0.03 |
| Aug | 3.09 | 2.89 | 0.20 |
| Sep | 3.17 | 3.35 | -0.18 |
| Oct | 3.81 | 3.83 | -0.02 |
| Nov | 4.24 | 4.41 | -0.17 |
| Dec | 4.16 | 4.26 | -0.10 |
48.73 | 49.45 | -0.72 |