| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.64 | -0.22 |
| Feb | 2.41 | 2.47 | -0.06 |
| Mar | 3.75 | 3.96 | -0.21 |
| Apr | 4.61 | 4.82 | -0.21 |
| May | 5.19 | 5.48 | -0.29 |
| Jun | 4.10 | 4.38 | -0.28 |
| Jul | 4.06 | 4.47 | -0.41 |
| Aug | 4.01 | 4.21 | -0.20 |
| Sep | 3.82 | 3.96 | -0.14 |
| Oct | 3.21 | 3.24 | -0.03 |
| Nov | 3.64 | 3.82 | -0.18 |
| Dec | 2.54 | 2.73 | -0.19 |
43.76 | 46.18 | -2.42 |