| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.43 | -0.13 |
| Feb | 3.08 | 3.22 | -0.14 |
| Mar | 4.29 | 4.37 | -0.08 |
| Apr | 5.01 | 5.06 | -0.05 |
| May | 5.31 | 5.31 | 0.00 |
| Jun | 4.67 | 4.80 | -0.13 |
| Jul | 4.12 | 4.42 | -0.30 |
| Aug | 3.70 | 3.75 | -0.05 |
| Sep | 3.46 | 3.59 | -0.13 |
| Oct | 3.24 | 3.44 | -0.20 |
| Nov | 3.57 | 3.62 | -0.05 |
| Dec | 3.90 | 4.05 | -0.15 |
47.65 | 49.06 | -1.41 |