| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.93 | 6.60 | -0.67 |
| Feb | 5.93 | 6.83 | -0.90 |
| Mar | 4.93 | 5.81 | -0.88 |
| Apr | 2.57 | 3.35 | -0.78 |
| May | 1.82 | 2.13 | -0.31 |
| Jun | 1.00 | 1.37 | -0.37 |
| Jul | 0.21 | 0.31 | -0.10 |
| Aug | 0.22 | 0.22 | 0.00 |
| Sep | 0.47 | 0.61 | -0.14 |
| Oct | 1.81 | 2.20 | -0.39 |
| Nov | 3.80 | 4.26 | -0.46 |
| Dec | 6.60 | 7.86 | -1.26 |
35.29 | 41.55 | -6.26 |