| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.13 | -0.16 |
| Feb | 0.90 | 1.00 | -0.10 |
| Mar | 1.41 | 1.46 | -0.05 |
| Apr | 2.46 | 2.59 | -0.13 |
| May | 3.17 | 3.35 | -0.18 |
| Jun | 4.31 | 4.30 | 0.01 |
| Jul | 3.94 | 3.81 | 0.13 |
| Aug | 3.52 | 3.62 | -0.10 |
| Sep | 3.24 | 3.40 | -0.16 |
| Oct | 2.93 | 3.05 | -0.12 |
| Nov | 1.78 | 2.04 | -0.26 |
| Dec | 1.33 | 1.52 | -0.19 |
29.96 | 31.27 | -1.31 |