| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.46 | -0.14 |
| Feb | 3.16 | 3.31 | -0.15 |
| Mar | 3.41 | 3.49 | -0.08 |
| Apr | 3.26 | 3.21 | 0.05 |
| May | 3.30 | 3.44 | -0.14 |
| Jun | 5.61 | 5.78 | -0.17 |
| Jul | 5.74 | 6.46 | -0.72 |
| Aug | 6.26 | 6.68 | -0.42 |
| Sep | 5.18 | 5.51 | -0.33 |
| Oct | 4.26 | 4.21 | 0.05 |
| Nov | 2.81 | 2.80 | 0.01 |
| Dec | 3.34 | 3.66 | -0.32 |
49.65 | 52.01 | -2.36 |