| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.14 | -0.10 |
| Feb | 0.97 | 1.07 | -0.10 |
| Mar | 1.51 | 1.69 | -0.18 |
| Apr | 2.61 | 2.97 | -0.36 |
| May | 3.51 | 3.66 | -0.15 |
| Jun | 3.95 | 4.29 | -0.34 |
| Jul | 4.26 | 4.49 | -0.23 |
| Aug | 3.79 | 4.02 | -0.23 |
| Sep | 3.29 | 3.49 | -0.20 |
| Oct | 3.24 | 3.28 | -0.04 |
| Nov | 1.92 | 2.03 | -0.11 |
| Dec | 1.48 | 1.60 | -0.12 |
31.57 | 33.73 | -2.16 |