| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.52 | 6.05 | 0.47 |
| Feb | 4.26 | 3.80 | 0.46 |
| Mar | 4.83 | 5.15 | -0.32 |
| Apr | 3.77 | 4.29 | -0.52 |
| May | 2.98 | 3.08 | -0.10 |
| Jun | 2.24 | 2.54 | -0.30 |
| Jul | 1.27 | 1.28 | -0.01 |
| Aug | 1.40 | 1.24 | 0.16 |
| Sep | 2.71 | 2.93 | -0.22 |
| Oct | 5.24 | 5.46 | -0.22 |
| Nov | 7.50 | 7.73 | -0.23 |
| Dec | 6.30 | 6.53 | -0.23 |
49.02 | 50.08 | -1.06 |