| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.59 | -0.21 |
| Feb | 3.15 | 3.47 | -0.32 |
| Mar | 3.51 | 3.69 | -0.18 |
| Apr | 3.91 | 4.30 | -0.39 |
| May | 5.09 | 5.47 | -0.38 |
| Jun | 5.75 | 6.03 | -0.28 |
| Jul | 4.63 | 4.83 | -0.20 |
| Aug | 5.60 | 6.17 | -0.57 |
| Sep | 5.70 | 5.86 | -0.16 |
| Oct | 5.31 | 5.60 | -0.29 |
| Nov | 4.26 | 4.75 | -0.49 |
| Dec | 4.48 | 4.50 | -0.02 |
55.77 | 59.26 | -3.49 |