| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.59 | -0.23 |
| Feb | 2.31 | 2.41 | -0.10 |
| Mar | 3.59 | 3.86 | -0.27 |
| Apr | 4.49 | 4.75 | -0.26 |
| May | 5.16 | 5.34 | -0.18 |
| Jun | 4.14 | 4.42 | -0.28 |
| Jul | 4.12 | 4.35 | -0.23 |
| Aug | 3.98 | 4.05 | -0.07 |
| Sep | 3.83 | 3.96 | -0.13 |
| Oct | 3.20 | 3.24 | -0.04 |
| Nov | 3.53 | 3.71 | -0.18 |
| Dec | 2.52 | 2.68 | -0.16 |
43.23 | 45.36 | -2.13 |