| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.57 | -0.27 |
| Feb | 2.81 | 3.06 | -0.25 |
| Mar | 3.18 | 3.32 | -0.14 |
| Apr | 3.67 | 4.01 | -0.34 |
| May | 4.76 | 4.65 | 0.11 |
| Jun | 5.26 | 5.52 | -0.26 |
| Jul | 4.25 | 4.41 | -0.16 |
| Aug | 5.16 | 5.84 | -0.68 |
| Sep | 5.73 | 5.96 | -0.23 |
| Oct | 4.96 | 5.14 | -0.18 |
| Nov | 4.21 | 4.53 | -0.32 |
| Dec | 4.18 | 4.63 | -0.45 |
52.47 | 55.64 | -3.17 |