| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.41 | -0.23 |
| Feb | 1.01 | 1.13 | -0.12 |
| Mar | 1.54 | 1.67 | -0.13 |
| Apr | 2.62 | 2.84 | -0.22 |
| May | 3.29 | 3.43 | -0.14 |
| Jun | 3.58 | 3.79 | -0.21 |
| Jul | 3.83 | 3.96 | -0.13 |
| Aug | 3.31 | 3.38 | -0.07 |
| Sep | 3.11 | 3.16 | -0.05 |
| Oct | 3.12 | 3.09 | 0.03 |
| Nov | 2.03 | 1.98 | 0.05 |
| Dec | 1.57 | 1.74 | -0.17 |
30.19 | 31.58 | -1.39 |