| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.60 | -0.18 |
| Feb | 3.31 | 3.48 | -0.17 |
| Mar | 3.62 | 3.77 | -0.15 |
| Apr | 3.16 | 3.46 | -0.30 |
| May | 3.88 | 3.98 | -0.10 |
| Jun | 4.70 | 5.09 | -0.39 |
| Jul | 6.13 | 6.06 | 0.07 |
| Aug | 6.61 | 7.11 | -0.50 |
| Sep | 6.53 | 7.48 | -0.95 |
| Oct | 4.33 | 4.70 | -0.37 |
| Nov | 3.39 | 3.42 | -0.03 |
| Dec | 3.56 | 3.77 | -0.21 |
52.64 | 55.92 | -3.28 |