| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.16 | -0.04 |
| Feb | 4.54 | 4.69 | -0.15 |
| Mar | 5.30 | 5.31 | -0.01 |
| Apr | 5.16 | 5.23 | -0.07 |
| May | 5.51 | 5.82 | -0.31 |
| Jun | 4.53 | 4.50 | 0.03 |
| Jul | 4.26 | 4.50 | -0.24 |
| Aug | 3.76 | 3.55 | 0.21 |
| Sep | 3.58 | 3.79 | -0.21 |
| Oct | 3.38 | 3.91 | -0.53 |
| Nov | 4.36 | 4.45 | -0.09 |
| Dec | 4.87 | 5.15 | -0.28 |
53.37 | 55.06 | -1.69 |