| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.57 | -0.17 |
| Feb | 2.96 | 3.15 | -0.19 |
| Mar | 4.47 | 4.70 | -0.23 |
| Apr | 3.44 | 3.68 | -0.24 |
| May | 3.26 | 3.42 | -0.16 |
| Jun | 3.92 | 3.97 | -0.05 |
| Jul | 4.51 | 4.48 | 0.03 |
| Aug | 4.81 | 5.01 | -0.20 |
| Sep | 3.77 | 3.88 | -0.11 |
| Oct | 4.14 | 4.31 | -0.17 |
| Nov | 3.36 | 3.41 | -0.05 |
| Dec | 4.28 | 4.56 | -0.28 |
46.32 | 48.14 | -1.82 |