| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.78 | -0.01 |
| Feb | 2.21 | 2.31 | -0.10 |
| Mar | 3.08 | 3.11 | -0.03 |
| Apr | 3.97 | 3.98 | -0.01 |
| May | 4.41 | 4.29 | 0.12 |
| Jun | 4.72 | 4.53 | 0.19 |
| Jul | 4.08 | 4.16 | -0.08 |
| Aug | 3.92 | 3.78 | 0.14 |
| Sep | 3.20 | 3.24 | -0.04 |
| Oct | 3.01 | 2.96 | 0.05 |
| Nov | 3.21 | 3.23 | -0.02 |
| Dec | 2.59 | 2.66 | -0.07 |
41.17 | 41.03 | 0.14 |