| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 0.94 | 0.08 |
| Feb | 1.03 | 0.97 | 0.06 |
| Mar | 2.02 | 1.88 | 0.14 |
| Apr | 3.60 | 3.45 | 0.15 |
| May | 4.71 | 4.58 | 0.13 |
| Jun | 5.42 | 5.39 | 0.03 |
| Jul | 4.45 | 4.63 | -0.18 |
| Aug | 4.30 | 4.24 | 0.06 |
| Sep | 3.60 | 3.75 | -0.15 |
| Oct | 2.60 | 2.48 | 0.12 |
| Nov | 1.77 | 1.65 | 0.12 |
| Dec | 1.29 | 1.22 | 0.07 |
35.81 | 35.18 | 0.63 |