| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.88 | -0.18 |
| Feb | 0.83 | 0.90 | -0.07 |
| Mar | 1.52 | 1.60 | -0.08 |
| Apr | 2.84 | 2.84 | 0.00 |
| May | 3.95 | 4.21 | -0.26 |
| Jun | 4.77 | 5.06 | -0.29 |
| Jul | 3.82 | 3.82 | 0.00 |
| Aug | 3.74 | 4.13 | -0.39 |
| Sep | 3.13 | 3.18 | -0.05 |
| Oct | 2.31 | 2.35 | -0.04 |
| Nov | 1.43 | 1.45 | -0.02 |
| Dec | 1.05 | 1.17 | -0.12 |
30.09 | 31.59 | -1.50 |