| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.79 | 0.22 |
| Feb | 0.95 | 0.86 | 0.09 |
| Mar | 1.80 | 1.66 | 0.14 |
| Apr | 2.29 | 2.30 | -0.01 |
| May | 2.24 | 2.08 | 0.16 |
| Jun | 1.62 | 1.37 | 0.25 |
| Jul | 2.94 | 2.79 | 0.15 |
| Aug | 2.77 | 2.52 | 0.25 |
| Sep | 1.36 | 1.15 | 0.21 |
| Oct | 1.38 | 1.29 | 0.09 |
| Nov | 1.12 | 0.94 | 0.18 |
| Dec | 0.92 | 0.86 | 0.06 |
20.40 | 18.61 | 1.79 |