| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.75 | -0.09 |
| Feb | 1.58 | 1.66 | -0.08 |
| Mar | 2.07 | 2.01 | 0.06 |
| Apr | 3.69 | 3.82 | -0.13 |
| May | 3.79 | 3.93 | -0.14 |
| Jun | 4.28 | 4.52 | -0.24 |
| Jul | 3.38 | 3.48 | -0.10 |
| Aug | 3.62 | 3.64 | -0.02 |
| Sep | 3.26 | 3.32 | -0.06 |
| Oct | 2.89 | 2.90 | -0.01 |
| Nov | 2.20 | 2.23 | -0.03 |
| Dec | 1.88 | 1.93 | -0.05 |
34.30 | 35.19 | -0.89 |