| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 2.02 | -0.37 |
| Feb | 1.61 | 1.82 | -0.21 |
| Mar | 1.17 | 1.69 | -0.52 |
| Apr | 1.10 | 1.23 | -0.13 |
| May | 1.14 | 1.28 | -0.14 |
| Jun | 0.60 | 0.77 | -0.17 |
| Jul | 2.19 | 2.03 | 0.16 |
| Aug | 2.32 | 2.39 | -0.07 |
| Sep | 2.11 | 2.29 | -0.18 |
| Oct | 1.67 | 1.83 | -0.16 |
| Nov | 1.47 | 1.51 | -0.04 |
| Dec | 1.53 | 1.73 | -0.20 |
18.56 | 20.59 | -2.03 |