| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.80 | -0.10 |
| Feb | 3.81 | 3.76 | 0.05 |
| Mar | 4.37 | 4.44 | -0.07 |
| Apr | 4.26 | 4.51 | -0.25 |
| May | 4.92 | 5.21 | -0.29 |
| Jun | 4.73 | 4.96 | -0.23 |
| Jul | 5.15 | 5.21 | -0.06 |
| Aug | 4.12 | 3.85 | 0.27 |
| Sep | 3.40 | 3.61 | -0.21 |
| Oct | 3.32 | 3.21 | 0.11 |
| Nov | 3.17 | 3.18 | -0.01 |
| Dec | 4.37 | 4.55 | -0.18 |
49.32 | 50.29 | -0.97 |