| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.72 | -0.03 |
| Feb | 0.76 | 0.82 | -0.06 |
| Mar | 1.56 | 1.59 | -0.03 |
| Apr | 3.22 | 3.24 | -0.02 |
| May | 4.22 | 4.40 | -0.18 |
| Jun | 4.74 | 4.75 | -0.01 |
| Jul | 3.64 | 3.54 | 0.10 |
| Aug | 3.61 | 3.64 | -0.03 |
| Sep | 3.15 | 3.03 | 0.12 |
| Oct | 2.31 | 2.26 | 0.05 |
| Nov | 1.39 | 1.35 | 0.04 |
| Dec | 0.90 | 0.93 | -0.03 |
30.19 | 30.27 | -0.08 |