| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.63 | -0.07 |
| Feb | 2.83 | 2.90 | -0.07 |
| Mar | 4.10 | 4.20 | -0.10 |
| Apr | 3.85 | 4.00 | -0.15 |
| May | 4.19 | 4.15 | 0.04 |
| Jun | 4.51 | 4.56 | -0.05 |
| Jul | 5.10 | 5.33 | -0.23 |
| Aug | 4.49 | 4.45 | 0.04 |
| Sep | 4.45 | 4.33 | 0.12 |
| Oct | 4.29 | 4.27 | 0.02 |
| Nov | 3.37 | 3.37 | 0.00 |
| Dec | 4.32 | 4.44 | -0.12 |
49.06 | 49.63 | -0.57 |