| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.22 | 4.11 | 2.11 |
| Feb | 3.87 | 2.64 | 1.23 |
| Mar | 3.97 | 2.64 | 1.33 |
| Apr | 2.59 | 1.56 | 1.03 |
| May | 1.75 | 1.21 | 0.54 |
| Jun | 1.30 | 0.97 | 0.33 |
| Jul | 0.72 | 0.51 | 0.21 |
| Aug | 0.91 | 0.69 | 0.22 |
| Sep | 1.54 | 1.19 | 0.35 |
| Oct | 4.31 | 2.72 | 1.59 |
| Nov | 6.95 | 4.60 | 2.35 |
| Dec | 6.13 | 4.26 | 1.87 |
40.26 | 27.10 | 13.16 |