| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.68 | -0.10 |
| Feb | 0.72 | 0.92 | -0.20 |
| Mar | 1.52 | 1.72 | -0.20 |
| Apr | 2.34 | 2.97 | -0.63 |
| May | 2.48 | 2.58 | -0.10 |
| Jun | 1.76 | 2.10 | -0.34 |
| Jul | 1.85 | 1.84 | 0.01 |
| Aug | 1.83 | 1.86 | -0.03 |
| Sep | 1.39 | 1.60 | -0.21 |
| Oct | 1.19 | 1.41 | -0.22 |
| Nov | 0.84 | 1.04 | -0.20 |
| Dec | 0.58 | 0.79 | -0.21 |
17.08 | 19.51 | -2.43 |