| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.94 | -0.06 |
| Feb | 3.40 | 3.45 | -0.05 |
| Mar | 3.67 | 3.74 | -0.07 |
| Apr | 3.35 | 3.39 | -0.04 |
| May | 4.12 | 4.21 | -0.09 |
| Jun | 4.98 | 5.03 | -0.05 |
| Jul | 6.47 | 6.48 | -0.01 |
| Aug | 6.92 | 6.94 | -0.02 |
| Sep | 7.13 | 6.87 | 0.26 |
| Oct | 3.89 | 4.02 | -0.13 |
| Nov | 3.52 | 3.55 | -0.03 |
| Dec | 3.81 | 3.75 | 0.06 |
55.14 | 55.37 | -0.23 |