| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.53 | -0.21 |
| Feb | 3.12 | 3.25 | -0.13 |
| Mar | 3.38 | 3.48 | -0.10 |
| Apr | 3.26 | 3.26 | 0.00 |
| May | 3.21 | 3.38 | -0.17 |
| Jun | 5.62 | 5.88 | -0.26 |
| Jul | 5.76 | 6.61 | -0.85 |
| Aug | 6.28 | 6.97 | -0.69 |
| Sep | 5.15 | 5.63 | -0.48 |
| Oct | 4.25 | 4.28 | -0.03 |
| Nov | 2.78 | 2.86 | -0.08 |
| Dec | 3.32 | 3.64 | -0.32 |
49.45 | 52.77 | -3.32 |