| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.59 | 5.31 | -0.72 |
| Feb | 4.34 | 4.48 | -0.14 |
| Mar | 4.90 | 5.02 | -0.12 |
| Apr | 4.81 | 5.55 | -0.74 |
| May | 3.65 | 3.99 | -0.34 |
| Jun | 6.21 | 6.69 | -0.48 |
| Jul | 7.02 | 7.57 | -0.55 |
| Aug | 6.76 | 7.16 | -0.40 |
| Sep | 6.53 | 6.51 | 0.02 |
| Oct | 4.18 | 4.23 | -0.05 |
| Nov | 4.08 | 4.30 | -0.22 |
| Dec | 4.76 | 5.02 | -0.26 |
61.83 | 65.83 | -4.00 |