| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.41 | -0.04 |
| Feb | 1.76 | 1.81 | -0.05 |
| Mar | 2.82 | 2.83 | -0.01 |
| Apr | 4.14 | 4.22 | -0.08 |
| May | 5.21 | 5.23 | -0.02 |
| Jun | 4.83 | 5.01 | -0.18 |
| Jul | 4.89 | 4.95 | -0.06 |
| Aug | 4.04 | 4.15 | -0.11 |
| Sep | 4.12 | 4.10 | 0.02 |
| Oct | 3.14 | 3.18 | -0.04 |
| Nov | 2.44 | 2.44 | 0.00 |
| Dec | 1.80 | 1.84 | -0.04 |
40.56 | 41.17 | -0.61 |