| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.53 | -0.07 |
| Feb | 1.52 | 1.59 | -0.07 |
| Mar | 2.18 | 2.20 | -0.02 |
| Apr | 3.77 | 3.93 | -0.16 |
| May | 4.23 | 4.44 | -0.21 |
| Jun | 5.57 | 5.48 | 0.09 |
| Jul | 4.56 | 4.52 | 0.04 |
| Aug | 4.12 | 4.22 | -0.10 |
| Sep | 3.63 | 3.55 | 0.08 |
| Oct | 2.91 | 2.90 | 0.01 |
| Nov | 2.28 | 2.26 | 0.02 |
| Dec | 1.66 | 1.75 | -0.09 |
37.89 | 38.37 | -0.48 |