| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.74 | 0.01 |
| Feb | 1.06 | 1.14 | -0.08 |
| Mar | 2.01 | 1.96 | 0.05 |
| Apr | 3.11 | 3.11 | 0.00 |
| May | 5.00 | 5.20 | -0.20 |
| Jun | 4.68 | 4.69 | -0.01 |
| Jul | 4.41 | 4.22 | 0.19 |
| Aug | 4.21 | 4.28 | -0.07 |
| Sep | 2.71 | 2.84 | -0.13 |
| Oct | 2.41 | 2.43 | -0.02 |
| Nov | 1.48 | 1.44 | 0.04 |
| Dec | 1.23 | 1.22 | 0.01 |
33.06 | 33.27 | -0.21 |