| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.41 | 0.05 |
| Feb | 3.18 | 3.11 | 0.07 |
| Mar | 3.47 | 3.54 | -0.07 |
| Apr | 3.14 | 3.23 | -0.09 |
| May | 3.41 | 3.27 | 0.14 |
| Jun | 5.88 | 6.20 | -0.32 |
| Jul | 5.63 | 5.73 | -0.10 |
| Aug | 5.97 | 6.70 | -0.73 |
| Sep | 4.81 | 4.92 | -0.11 |
| Oct | 3.57 | 4.27 | -0.70 |
| Nov | 2.21 | 2.51 | -0.30 |
| Dec | 3.03 | 3.31 | -0.28 |
47.76 | 50.20 | -2.44 |