| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.32 | -0.11 |
| Feb | 1.89 | 1.94 | -0.05 |
| Mar | 2.30 | 2.31 | -0.01 |
| Apr | 3.11 | 3.08 | 0.03 |
| May | 3.69 | 3.68 | 0.01 |
| Jun | 3.21 | 3.22 | -0.01 |
| Jul | 3.32 | 3.24 | 0.08 |
| Aug | 3.34 | 3.34 | 0.00 |
| Sep | 3.19 | 3.12 | 0.07 |
| Oct | 2.69 | 2.78 | -0.09 |
| Nov | 2.54 | 2.55 | -0.01 |
| Dec | 2.15 | 2.29 | -0.14 |
33.64 | 33.87 | -0.23 |