| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.66 | 0.03 |
| Feb | 1.07 | 1.10 | -0.03 |
| Mar | 2.01 | 2.00 | 0.01 |
| Apr | 3.27 | 3.31 | -0.04 |
| May | 5.00 | 5.04 | -0.04 |
| Jun | 4.92 | 5.14 | -0.22 |
| Jul | 4.41 | 4.37 | 0.04 |
| Aug | 4.12 | 4.14 | -0.02 |
| Sep | 3.00 | 3.07 | -0.07 |
| Oct | 2.40 | 2.42 | -0.02 |
| Nov | 1.52 | 1.53 | -0.01 |
| Dec | 1.19 | 1.21 | -0.02 |
33.60 | 33.99 | -0.39 |