| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.60 | 0.02 |
| Feb | 0.79 | 0.62 | 0.17 |
| Mar | 1.66 | 1.87 | -0.21 |
| Apr | 2.36 | 2.21 | 0.15 |
| May | 2.29 | 2.44 | -0.15 |
| Jun | 1.79 | 1.90 | -0.11 |
| Jul | 2.23 | 2.44 | -0.21 |
| Aug | 2.30 | 2.49 | -0.19 |
| Sep | 1.54 | 1.67 | -0.13 |
| Oct | 1.22 | 1.28 | -0.06 |
| Nov | 0.80 | 0.93 | -0.13 |
| Dec | 0.65 | 0.82 | -0.17 |
18.25 | 19.27 | -1.02 |