| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.21 | -0.25 |
| Feb | 2.63 | 2.82 | -0.19 |
| Mar | 4.00 | 4.27 | -0.27 |
| Apr | 3.32 | 3.55 | -0.23 |
| May | 3.68 | 4.12 | -0.44 |
| Jun | 4.11 | 4.31 | -0.20 |
| Jul | 4.34 | 4.56 | -0.22 |
| Aug | 4.11 | 4.53 | -0.42 |
| Sep | 4.58 | 4.58 | 0.00 |
| Oct | 3.54 | 4.16 | -0.62 |
| Nov | 3.07 | 3.20 | -0.13 |
| Dec | 3.48 | 3.92 | -0.44 |
43.82 | 47.23 | -3.41 |