| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.68 | -0.18 |
| Feb | 3.22 | 3.24 | -0.02 |
| Mar | 3.61 | 4.01 | -0.40 |
| Apr | 3.21 | 3.62 | -0.41 |
| May | 3.86 | 3.46 | 0.40 |
| Jun | 5.17 | 5.04 | 0.13 |
| Jul | 6.04 | 6.16 | -0.12 |
| Aug | 6.35 | 6.54 | -0.19 |
| Sep | 6.25 | 7.16 | -0.91 |
| Oct | 4.32 | 4.98 | -0.66 |
| Nov | 3.18 | 3.01 | 0.17 |
| Dec | 3.90 | 3.90 | 0.00 |
52.61 | 54.80 | -2.19 |