| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.01 | 0.03 |
| Feb | 2.59 | 2.82 | -0.23 |
| Mar | 3.30 | 3.38 | -0.08 |
| Apr | 3.64 | 3.86 | -0.22 |
| May | 3.75 | 3.71 | 0.04 |
| Jun | 4.79 | 4.61 | 0.18 |
| Jul | 4.31 | 4.24 | 0.07 |
| Aug | 4.32 | 4.58 | -0.26 |
| Sep | 4.21 | 4.25 | -0.04 |
| Oct | 4.27 | 4.19 | 0.08 |
| Nov | 3.38 | 3.56 | -0.18 |
| Dec | 3.48 | 3.58 | -0.10 |
45.08 | 45.79 | -0.71 |