| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.00 | 0.21 |
| Feb | 2.10 | 2.01 | 0.09 |
| Mar | 2.64 | 2.54 | 0.10 |
| Apr | 2.45 | 2.59 | -0.14 |
| May | 3.93 | 3.91 | 0.02 |
| Jun | 8.70 | 8.16 | 0.54 |
| Jul | 7.44 | 7.42 | 0.02 |
| Aug | 7.89 | 7.83 | 0.06 |
| Sep | 7.08 | 6.69 | 0.39 |
| Oct | 3.51 | 3.20 | 0.31 |
| Nov | 1.81 | 1.58 | 0.23 |
| Dec | 1.93 | 1.89 | 0.04 |
51.69 | 49.82 | 1.87 |