| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.03 | 0.16 |
| Feb | 3.10 | 2.88 | 0.22 |
| Mar | 2.84 | 2.40 | 0.44 |
| Apr | 1.31 | 1.20 | 0.11 |
| May | 0.53 | 0.66 | -0.13 |
| Jun | 0.11 | 0.16 | -0.05 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.02 | 0.00 |
| Sep | 0.08 | 0.09 | -0.01 |
| Oct | 0.76 | 0.66 | 0.10 |
| Nov | 1.65 | 1.40 | 0.25 |
| Dec | 2.99 | 2.62 | 0.37 |
16.58 | 15.12 | 1.46 |