| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.44 | -0.28 |
| Feb | 2.64 | 2.89 | -0.25 |
| Mar | 3.44 | 3.70 | -0.26 |
| Apr | 3.37 | 3.66 | -0.29 |
| May | 3.79 | 3.89 | -0.10 |
| Jun | 4.50 | 4.71 | -0.21 |
| Jul | 4.45 | 4.61 | -0.16 |
| Aug | 4.26 | 4.52 | -0.26 |
| Sep | 4.62 | 4.58 | 0.04 |
| Oct | 4.59 | 4.80 | -0.21 |
| Nov | 3.43 | 3.64 | -0.21 |
| Dec | 3.92 | 4.29 | -0.37 |
46.17 | 48.73 | -2.56 |