| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.81 | 2.48 | -0.67 |
| Feb | 1.60 | 2.27 | -0.67 |
| Mar | 1.73 | 2.24 | -0.51 |
| Apr | 2.07 | 2.23 | -0.16 |
| May | 2.66 | 2.77 | -0.11 |
| Jun | 2.57 | 2.44 | 0.13 |
| Jul | 1.34 | 1.24 | 0.10 |
| Aug | 1.16 | 1.11 | 0.05 |
| Sep | 1.26 | 1.29 | -0.03 |
| Oct | 1.70 | 1.78 | -0.08 |
| Nov | 1.73 | 2.13 | -0.40 |
| Dec | 2.01 | 2.69 | -0.68 |
21.64 | 24.67 | -3.03 |