| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.98 | 5.19 | -0.21 |
| Feb | 4.97 | 5.26 | -0.29 |
| Mar | 5.28 | 5.38 | -0.10 |
| Apr | 4.14 | 4.38 | -0.24 |
| May | 4.00 | 3.95 | 0.05 |
| Jun | 4.48 | 4.82 | -0.34 |
| Jul | 4.81 | 5.12 | -0.31 |
| Aug | 4.22 | 4.46 | -0.24 |
| Sep | 3.71 | 3.78 | -0.07 |
| Oct | 2.99 | 3.05 | -0.06 |
| Nov | 3.92 | 4.12 | -0.20 |
| Dec | 5.13 | 5.30 | -0.17 |
52.63 | 54.81 | -2.18 |