| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.42 | 0.01 |
| Feb | 3.16 | 3.09 | 0.07 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.12 | 3.18 | -0.06 |
| May | 3.35 | 3.22 | 0.13 |
| Jun | 5.80 | 6.15 | -0.35 |
| Jul | 5.61 | 5.73 | -0.12 |
| Aug | 6.01 | 6.75 | -0.74 |
| Sep | 4.86 | 5.08 | -0.22 |
| Oct | 3.61 | 4.42 | -0.81 |
| Nov | 2.18 | 2.51 | -0.33 |
| Dec | 2.98 | 3.29 | -0.31 |
47.57 | 50.38 | -2.81 |