| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.37 | 0.08 |
| Feb | 3.15 | 2.98 | 0.17 |
| Mar | 3.42 | 3.46 | -0.04 |
| Apr | 3.16 | 3.12 | 0.04 |
| May | 3.31 | 3.01 | 0.30 |
| Jun | 5.50 | 5.54 | -0.04 |
| Jul | 5.73 | 5.51 | 0.22 |
| Aug | 6.28 | 6.73 | -0.45 |
| Sep | 4.68 | 4.96 | -0.28 |
| Oct | 3.95 | 4.36 | -0.41 |
| Nov | 2.41 | 2.49 | -0.08 |
| Dec | 3.08 | 3.26 | -0.18 |
48.12 | 48.79 | -0.67 |