| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.42 | -0.23 |
| Feb | 3.61 | 3.69 | -0.08 |
| Mar | 3.64 | 3.46 | 0.18 |
| Apr | 3.50 | 3.61 | -0.11 |
| May | 4.20 | 4.38 | -0.18 |
| Jun | 5.08 | 4.81 | 0.27 |
| Jul | 6.23 | 6.10 | 0.13 |
| Aug | 7.39 | 7.44 | -0.05 |
| Sep | 7.83 | 8.13 | -0.30 |
| Oct | 4.43 | 5.01 | -0.58 |
| Nov | 3.93 | 4.32 | -0.39 |
| Dec | 4.06 | 4.30 | -0.24 |
58.09 | 59.67 | -1.58 |