| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.71 | -0.21 |
| Feb | 3.22 | 3.21 | 0.01 |
| Mar | 3.61 | 4.06 | -0.45 |
| Apr | 3.21 | 3.68 | -0.47 |
| May | 3.86 | 3.55 | 0.31 |
| Jun | 5.17 | 5.07 | 0.10 |
| Jul | 6.04 | 6.16 | -0.12 |
| Aug | 6.35 | 6.56 | -0.21 |
| Sep | 6.25 | 7.20 | -0.95 |
| Oct | 4.32 | 5.05 | -0.73 |
| Nov | 3.18 | 2.97 | 0.21 |
| Dec | 3.90 | 3.91 | -0.01 |
52.61 | 55.13 | -2.52 |