| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.48 | -0.33 |
| Feb | 2.74 | 2.94 | -0.20 |
| Mar | 4.15 | 4.34 | -0.19 |
| Apr | 3.59 | 3.61 | -0.02 |
| May | 3.38 | 3.62 | -0.24 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 4.44 | 4.62 | -0.18 |
| Aug | 4.43 | 4.70 | -0.27 |
| Sep | 4.23 | 4.24 | -0.01 |
| Oct | 3.72 | 4.01 | -0.29 |
| Nov | 3.13 | 3.18 | -0.05 |
| Dec | 3.94 | 4.30 | -0.36 |
45.15 | 47.36 | -2.21 |