| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.74 | 6.17 | -0.43 |
| Feb | 4.21 | 4.48 | -0.27 |
| Mar | 4.38 | 4.95 | -0.57 |
| Apr | 3.35 | 3.68 | -0.33 |
| May | 2.42 | 2.55 | -0.13 |
| Jun | 1.55 | 1.69 | -0.14 |
| Jul | 0.41 | 0.42 | -0.01 |
| Aug | 0.54 | 0.56 | -0.02 |
| Sep | 1.48 | 1.59 | -0.11 |
| Oct | 3.77 | 3.95 | -0.18 |
| Nov | 6.09 | 6.57 | -0.48 |
| Dec | 6.76 | 7.30 | -0.54 |
40.70 | 43.91 | -3.21 |