| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 5.36 | -0.57 |
| Feb | 4.26 | 4.55 | -0.29 |
| Mar | 3.17 | 3.69 | -0.52 |
| Apr | 1.67 | 1.98 | -0.31 |
| May | 1.29 | 1.58 | -0.29 |
| Jun | 0.53 | 0.61 | -0.08 |
| Jul | 0.05 | 0.06 | -0.01 |
| Aug | 0.06 | 0.07 | -0.01 |
| Sep | 0.23 | 0.29 | -0.06 |
| Oct | 1.19 | 1.13 | 0.06 |
| Nov | 2.54 | 2.80 | -0.26 |
| Dec | 4.46 | 5.31 | -0.85 |
24.24 | 27.43 | -3.19 |