| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.61 | -0.24 |
| Feb | 3.26 | 3.44 | -0.18 |
| Mar | 3.55 | 3.76 | -0.21 |
| Apr | 3.11 | 3.36 | -0.25 |
| May | 3.81 | 3.80 | 0.01 |
| Jun | 4.73 | 4.77 | -0.04 |
| Jul | 5.92 | 5.94 | -0.02 |
| Aug | 6.57 | 6.83 | -0.26 |
| Sep | 6.41 | 7.16 | -0.75 |
| Oct | 4.21 | 4.48 | -0.27 |
| Nov | 3.28 | 3.36 | -0.08 |
| Dec | 3.56 | 3.72 | -0.16 |
51.78 | 54.23 | -2.45 |