| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.40 | -0.15 |
| Feb | 2.97 | 2.89 | 0.08 |
| Mar | 3.34 | 3.39 | -0.05 |
| Apr | 3.16 | 2.98 | 0.18 |
| May | 3.00 | 2.87 | 0.13 |
| Jun | 5.10 | 4.90 | 0.20 |
| Jul | 5.74 | 5.72 | 0.02 |
| Aug | 6.37 | 6.43 | -0.06 |
| Sep | 5.24 | 5.10 | 0.14 |
| Oct | 4.43 | 4.37 | 0.06 |
| Nov | 2.59 | 2.65 | -0.06 |
| Dec | 3.12 | 3.42 | -0.30 |
48.31 | 48.12 | 0.19 |