| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.90 | -0.09 |
| Feb | 3.55 | 3.65 | -0.10 |
| Mar | 3.90 | 4.14 | -0.24 |
| Apr | 3.05 | 3.13 | -0.08 |
| May | 3.26 | 3.42 | -0.16 |
| Jun | 4.83 | 4.81 | 0.02 |
| Jul | 4.48 | 4.78 | -0.30 |
| Aug | 4.56 | 4.93 | -0.37 |
| Sep | 4.00 | 4.19 | -0.19 |
| Oct | 3.23 | 3.45 | -0.22 |
| Nov | 2.99 | 3.23 | -0.24 |
| Dec | 3.91 | 3.99 | -0.08 |
45.57 | 47.62 | -2.05 |