| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.86 | -0.15 |
| Feb | 3.47 | 3.59 | -0.12 |
| Mar | 3.79 | 4.12 | -0.33 |
| Apr | 2.93 | 3.07 | -0.14 |
| May | 3.31 | 3.41 | -0.10 |
| Jun | 4.91 | 4.92 | -0.01 |
| Jul | 4.69 | 4.87 | -0.18 |
| Aug | 4.62 | 4.89 | -0.27 |
| Sep | 4.01 | 4.10 | -0.09 |
| Oct | 3.18 | 3.44 | -0.26 |
| Nov | 2.87 | 3.14 | -0.27 |
| Dec | 3.78 | 3.93 | -0.15 |
45.27 | 47.34 | -2.07 |