| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.10 | -0.03 |
| Feb | 1.20 | 1.21 | -0.01 |
| Mar | 1.93 | 2.03 | -0.10 |
| Apr | 3.75 | 3.77 | -0.02 |
| May | 4.56 | 4.74 | -0.18 |
| Jun | 5.48 | 5.61 | -0.13 |
| Jul | 4.23 | 4.47 | -0.24 |
| Aug | 4.29 | 4.18 | 0.11 |
| Sep | 3.47 | 3.58 | -0.11 |
| Oct | 2.77 | 2.87 | -0.10 |
| Nov | 1.96 | 2.03 | -0.07 |
| Dec | 1.49 | 1.53 | -0.04 |
36.20 | 37.12 | -0.92 |