| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 5.47 | -0.71 |
| Feb | 4.67 | 5.15 | -0.48 |
| Mar | 4.73 | 5.17 | -0.44 |
| Apr | 4.96 | 5.82 | -0.86 |
| May | 3.37 | 3.54 | -0.17 |
| Jun | 6.19 | 6.30 | -0.11 |
| Jul | 7.58 | 6.97 | 0.61 |
| Aug | 7.58 | 7.60 | -0.02 |
| Sep | 6.17 | 6.22 | -0.05 |
| Oct | 4.44 | 4.65 | -0.21 |
| Nov | 4.06 | 4.56 | -0.50 |
| Dec | 5.03 | 5.32 | -0.29 |
63.54 | 66.77 | -3.23 |