| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.40 | -0.04 |
| Feb | 0.53 | 0.48 | 0.05 |
| Mar | 0.83 | 0.90 | -0.07 |
| Apr | 1.77 | 1.86 | -0.09 |
| May | 2.74 | 2.86 | -0.12 |
| Jun | 2.62 | 2.51 | 0.11 |
| Jul | 3.20 | 3.19 | 0.01 |
| Aug | 2.40 | 2.55 | -0.15 |
| Sep | 1.24 | 1.22 | 0.02 |
| Oct | 1.24 | 1.30 | -0.06 |
| Nov | 0.51 | 0.51 | 0.00 |
| Dec | 0.38 | 0.39 | -0.01 |
17.82 | 18.17 | -0.35 |