| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.27 | 0.14 |
| Feb | 3.11 | 2.94 | 0.17 |
| Mar | 3.47 | 3.46 | 0.01 |
| Apr | 3.06 | 2.98 | 0.08 |
| May | 3.43 | 2.94 | 0.49 |
| Jun | 5.61 | 5.30 | 0.31 |
| Jul | 5.58 | 5.10 | 0.48 |
| Aug | 6.07 | 6.55 | -0.48 |
| Sep | 4.76 | 5.05 | -0.29 |
| Oct | 3.75 | 4.42 | -0.67 |
| Nov | 2.22 | 2.42 | -0.20 |
| Dec | 2.92 | 3.02 | -0.10 |
47.39 | 47.45 | -0.06 |