| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.46 | -0.20 |
| Feb | 2.58 | 2.75 | -0.17 |
| Mar | 3.57 | 3.62 | -0.05 |
| Apr | 4.78 | 5.00 | -0.22 |
| May | 4.93 | 5.13 | -0.20 |
| Jun | 4.99 | 5.25 | -0.26 |
| Jul | 4.48 | 4.57 | -0.09 |
| Aug | 3.30 | 3.22 | 0.08 |
| Sep | 3.42 | 3.62 | -0.20 |
| Oct | 3.58 | 3.66 | -0.08 |
| Nov | 3.75 | 3.87 | -0.12 |
| Dec | 3.19 | 3.43 | -0.24 |
45.83 | 47.58 | -1.75 |