| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.19 | -0.18 |
| Feb | 2.69 | 2.73 | -0.04 |
| Mar | 3.65 | 3.64 | 0.01 |
| Apr | 3.95 | 4.04 | -0.09 |
| May | 4.24 | 4.30 | -0.06 |
| Jun | 4.17 | 4.40 | -0.23 |
| Jul | 4.20 | 4.47 | -0.27 |
| Aug | 3.30 | 3.51 | -0.21 |
| Sep | 3.02 | 3.03 | -0.01 |
| Oct | 2.99 | 2.95 | 0.04 |
| Nov | 3.03 | 2.94 | 0.09 |
| Dec | 3.19 | 3.17 | 0.02 |
41.44 | 42.37 | -0.93 |