| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.86 | -0.11 |
| Feb | 2.24 | 2.52 | -0.28 |
| Mar | 2.62 | 2.88 | -0.26 |
| Apr | 3.22 | 3.35 | -0.13 |
| May | 3.61 | 3.48 | 0.13 |
| Jun | 4.35 | 4.04 | 0.31 |
| Jul | 4.53 | 4.52 | 0.01 |
| Aug | 4.11 | 3.56 | 0.55 |
| Sep | 3.36 | 3.10 | 0.26 |
| Oct | 4.13 | 4.21 | -0.08 |
| Nov | 3.06 | 3.29 | -0.23 |
| Dec | 3.20 | 3.38 | -0.18 |
41.18 | 41.19 | -0.01 |