| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.52 | -0.28 |
| Feb | 3.01 | 3.04 | -0.03 |
| Mar | 3.33 | 3.51 | -0.18 |
| Apr | 3.17 | 3.23 | -0.06 |
| May | 3.00 | 2.98 | 0.02 |
| Jun | 5.20 | 5.20 | 0.00 |
| Jul | 5.70 | 6.08 | -0.38 |
| Aug | 6.32 | 6.81 | -0.49 |
| Sep | 5.13 | 5.12 | 0.01 |
| Oct | 4.30 | 4.43 | -0.13 |
| Nov | 2.62 | 2.84 | -0.22 |
| Dec | 3.14 | 3.52 | -0.38 |
48.16 | 50.28 | -2.12 |