| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.38 | 0.01 |
| Feb | 0.61 | 0.60 | 0.01 |
| Mar | 0.96 | 1.01 | -0.05 |
| Apr | 2.10 | 2.16 | -0.06 |
| May | 3.57 | 3.61 | -0.04 |
| Jun | 3.24 | 3.12 | 0.12 |
| Jul | 3.00 | 2.79 | 0.21 |
| Aug | 2.09 | 2.09 | 0.00 |
| Sep | 1.48 | 1.43 | 0.05 |
| Oct | 1.31 | 1.46 | -0.15 |
| Nov | 0.52 | 0.50 | 0.02 |
| Dec | 0.42 | 0.44 | -0.02 |
19.69 | 19.59 | 0.10 |