| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.16 | -0.06 |
| Feb | 1.37 | 1.42 | -0.05 |
| Mar | 2.17 | 2.26 | -0.09 |
| Apr | 3.67 | 3.77 | -0.10 |
| May | 4.59 | 4.67 | -0.08 |
| Jun | 5.37 | 5.25 | 0.12 |
| Jul | 4.22 | 4.25 | -0.03 |
| Aug | 4.30 | 4.12 | 0.18 |
| Sep | 3.62 | 3.41 | 0.21 |
| Oct | 2.91 | 2.93 | -0.02 |
| Nov | 2.15 | 2.19 | -0.04 |
| Dec | 1.59 | 1.62 | -0.03 |
37.06 | 37.05 | 0.01 |