| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.96 | -0.22 |
| Feb | 1.49 | 1.74 | -0.25 |
| Mar | 1.43 | 1.69 | -0.26 |
| Apr | 1.48 | 1.68 | -0.20 |
| May | 1.92 | 1.95 | -0.03 |
| Jun | 1.60 | 1.64 | -0.04 |
| Jul | 1.01 | 0.96 | 0.05 |
| Aug | 1.12 | 1.08 | 0.04 |
| Sep | 1.46 | 1.48 | -0.02 |
| Oct | 1.49 | 1.53 | -0.04 |
| Nov | 1.62 | 1.75 | -0.13 |
| Dec | 2.00 | 2.12 | -0.12 |
18.36 | 19.58 | -1.22 |