| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.63 | 0.08 |
| Feb | 2.23 | 2.09 | 0.14 |
| Mar | 3.14 | 3.00 | 0.14 |
| Apr | 2.54 | 2.63 | -0.09 |
| May | 3.62 | 3.91 | -0.29 |
| Jun | 8.14 | 8.07 | 0.07 |
| Jul | 7.26 | 7.63 | -0.37 |
| Aug | 7.67 | 7.97 | -0.30 |
| Sep | 6.15 | 6.51 | -0.36 |
| Oct | 3.09 | 3.26 | -0.17 |
| Nov | 1.81 | 1.93 | -0.12 |
| Dec | 2.38 | 2.48 | -0.10 |
50.74 | 52.11 | -1.37 |