| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.60 | -0.18 |
| Feb | 0.52 | 0.68 | -0.16 |
| Mar | 1.01 | 1.32 | -0.31 |
| Apr | 1.87 | 2.50 | -0.63 |
| May | 2.22 | 2.47 | -0.25 |
| Jun | 2.11 | 2.32 | -0.21 |
| Jul | 3.43 | 3.17 | 0.26 |
| Aug | 2.93 | 3.88 | -0.95 |
| Sep | 1.40 | 1.97 | -0.57 |
| Oct | 0.95 | 1.06 | -0.11 |
| Nov | 0.61 | 0.84 | -0.23 |
| Dec | 0.41 | 0.62 | -0.21 |
17.88 | 21.43 | -3.55 |