| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.59 | -0.11 |
| Feb | 2.74 | 2.92 | -0.18 |
| Mar | 3.61 | 3.73 | -0.12 |
| Apr | 3.88 | 3.96 | -0.08 |
| May | 4.08 | 4.27 | -0.19 |
| Jun | 4.57 | 4.78 | -0.21 |
| Jul | 4.73 | 4.98 | -0.25 |
| Aug | 4.02 | 4.24 | -0.22 |
| Sep | 4.01 | 4.18 | -0.17 |
| Oct | 3.29 | 3.41 | -0.12 |
| Nov | 3.48 | 3.57 | -0.09 |
| Dec | 3.56 | 3.48 | 0.08 |
45.45 | 47.11 | -1.66 |