| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.36 | -0.11 |
| Feb | 2.94 | 3.04 | -0.10 |
| Mar | 4.01 | 4.03 | -0.02 |
| Apr | 4.42 | 4.73 | -0.31 |
| May | 4.81 | 4.78 | 0.03 |
| Jun | 4.66 | 4.47 | 0.19 |
| Jul | 4.41 | 4.21 | 0.20 |
| Aug | 3.37 | 3.67 | -0.30 |
| Sep | 3.09 | 3.23 | -0.14 |
| Oct | 3.16 | 3.19 | -0.03 |
| Nov | 3.11 | 3.09 | 0.02 |
| Dec | 3.46 | 3.38 | 0.08 |
44.69 | 45.18 | -0.49 |