| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 2.00 | -0.23 |
| Feb | 1.72 | 1.78 | -0.06 |
| Mar | 2.47 | 2.48 | -0.01 |
| Apr | 2.43 | 2.38 | 0.05 |
| May | 4.18 | 4.62 | -0.44 |
| Jun | 3.30 | 3.49 | -0.19 |
| Jul | 2.24 | 2.62 | -0.38 |
| Aug | 2.21 | 2.41 | -0.20 |
| Sep | 3.37 | 3.68 | -0.31 |
| Oct | 3.12 | 3.34 | -0.22 |
| Nov | 2.14 | 2.43 | -0.29 |
| Dec | 1.63 | 2.02 | -0.39 |
30.58 | 33.25 | -2.67 |