| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.07 | 6.32 | 0.75 |
| Feb | 6.62 | 6.11 | 0.51 |
| Mar | 6.22 | 5.64 | 0.58 |
| Apr | 3.52 | 3.33 | 0.19 |
| May | 2.10 | 2.02 | 0.08 |
| Jun | 0.53 | 0.44 | 0.09 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.05 | 0.05 | 0.00 |
| Sep | 0.32 | 0.27 | 0.05 |
| Oct | 2.04 | 1.84 | 0.20 |
| Nov | 3.93 | 3.56 | 0.37 |
| Dec | 6.74 | 6.14 | 0.60 |
39.15 | 35.74 | 3.41 |