| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.98 | -0.21 |
| Feb | 1.60 | 1.80 | -0.20 |
| Mar | 1.39 | 1.51 | -0.12 |
| Apr | 1.21 | 1.28 | -0.07 |
| May | 1.27 | 1.41 | -0.14 |
| Jun | 0.67 | 0.76 | -0.09 |
| Jul | 1.83 | 2.09 | -0.26 |
| Aug | 2.31 | 2.57 | -0.26 |
| Sep | 1.93 | 2.19 | -0.26 |
| Oct | 1.59 | 1.92 | -0.33 |
| Nov | 1.41 | 1.68 | -0.27 |
| Dec | 1.63 | 1.78 | -0.15 |
18.61 | 20.97 | -2.36 |