| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.91 | 6.80 | 0.11 |
| Feb | 5.15 | 5.02 | 0.13 |
| Mar | 5.49 | 5.26 | 0.23 |
| Apr | 4.22 | 4.15 | 0.07 |
| May | 3.16 | 3.10 | 0.06 |
| Jun | 2.27 | 2.25 | 0.02 |
| Jul | 0.58 | 0.59 | -0.01 |
| Aug | 0.73 | 0.69 | 0.04 |
| Sep | 1.91 | 1.90 | 0.01 |
| Oct | 4.63 | 4.49 | 0.14 |
| Nov | 7.48 | 7.13 | 0.35 |
| Dec | 7.79 | 7.77 | 0.02 |
50.32 | 49.15 | 1.17 |