| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.76 | -0.15 |
| Feb | 4.38 | 4.59 | -0.21 |
| Mar | 4.66 | 5.07 | -0.41 |
| Apr | 3.82 | 4.02 | -0.20 |
| May | 3.27 | 3.16 | 0.11 |
| Jun | 5.40 | 5.31 | 0.09 |
| Jul | 6.28 | 6.17 | 0.11 |
| Aug | 5.62 | 5.65 | -0.03 |
| Sep | 4.75 | 4.70 | 0.05 |
| Oct | 2.74 | 3.19 | -0.45 |
| Nov | 3.11 | 3.52 | -0.41 |
| Dec | 3.99 | 4.18 | -0.19 |
52.63 | 54.32 | -1.69 |