| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.57 | 10.51 | 0.06 |
| Feb | 7.72 | 8.33 | -0.61 |
| Mar | 8.11 | 8.27 | -0.16 |
| Apr | 5.79 | 5.94 | -0.15 |
| May | 3.40 | 3.58 | -0.18 |
| Jun | 2.24 | 2.53 | -0.29 |
| Jul | 0.51 | 0.64 | -0.13 |
| Aug | 0.66 | 0.76 | -0.10 |
| Sep | 2.01 | 2.18 | -0.17 |
| Oct | 5.56 | 5.50 | 0.06 |
| Nov | 9.92 | 10.19 | -0.27 |
| Dec | 11.78 | 12.46 | -0.68 |
68.27 | 70.89 | -2.62 |