| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.56 | -0.05 |
| Feb | 0.54 | 0.63 | -0.09 |
| Mar | 1.10 | 1.31 | -0.21 |
| Apr | 1.96 | 2.23 | -0.27 |
| May | 2.30 | 2.60 | -0.30 |
| Jun | 2.06 | 2.17 | -0.11 |
| Jul | 2.69 | 2.77 | -0.08 |
| Aug | 2.28 | 2.57 | -0.29 |
| Sep | 1.27 | 1.51 | -0.24 |
| Oct | 1.01 | 1.16 | -0.15 |
| Nov | 0.67 | 0.76 | -0.09 |
| Dec | 0.55 | 0.69 | -0.14 |
16.94 | 18.96 | -2.02 |