| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.47 | 5.97 | 0.50 |
| Feb | 5.38 | 5.35 | 0.03 |
| Mar | 5.96 | 5.76 | 0.20 |
| Apr | 5.81 | 5.79 | 0.02 |
| May | 5.40 | 5.24 | 0.16 |
| Jun | 5.81 | 6.06 | -0.25 |
| Jul | 5.85 | 5.69 | 0.16 |
| Aug | 6.75 | 6.80 | -0.05 |
| Sep | 5.87 | 6.60 | -0.73 |
| Oct | 5.41 | 5.17 | 0.24 |
| Nov | 5.58 | 5.39 | 0.19 |
| Dec | 6.54 | 6.71 | -0.17 |
70.83 | 70.53 | 0.30 |