| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.19 | 0.09 |
| Feb | 1.87 | 1.73 | 0.14 |
| Mar | 1.96 | 1.78 | 0.18 |
| Apr | 2.42 | 2.39 | 0.03 |
| May | 3.80 | 3.59 | 0.21 |
| Jun | 8.87 | 9.73 | -0.86 |
| Jul | 7.94 | 8.81 | -0.87 |
| Aug | 9.43 | 9.74 | -0.31 |
| Sep | 8.36 | 9.59 | -1.23 |
| Oct | 3.80 | 3.68 | 0.12 |
| Nov | 1.68 | 1.71 | -0.03 |
| Dec | 1.92 | 1.72 | 0.20 |
54.33 | 56.66 | -2.33 |