| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.69 | -0.06 |
| Feb | 2.41 | 2.45 | -0.04 |
| Mar | 4.12 | 4.03 | 0.09 |
| Apr | 4.82 | 5.00 | -0.18 |
| May | 5.76 | 5.88 | -0.12 |
| Jun | 4.32 | 4.37 | -0.05 |
| Jul | 3.92 | 3.97 | -0.05 |
| Aug | 3.61 | 3.37 | 0.24 |
| Sep | 4.13 | 4.21 | -0.08 |
| Oct | 4.18 | 4.10 | 0.08 |
| Nov | 4.01 | 4.00 | 0.01 |
| Dec | 3.17 | 3.12 | 0.05 |
47.08 | 47.19 | -0.11 |