| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.11 | 4.52 | 1.59 |
| Feb | 3.95 | 2.94 | 1.01 |
| Mar | 3.93 | 3.16 | 0.77 |
| Apr | 2.49 | 1.92 | 0.57 |
| May | 1.66 | 1.47 | 0.19 |
| Jun | 1.20 | 1.19 | 0.01 |
| Jul | 0.68 | 0.62 | 0.06 |
| Aug | 0.87 | 0.73 | 0.14 |
| Sep | 1.45 | 1.31 | 0.14 |
| Oct | 4.30 | 2.88 | 1.42 |
| Nov | 6.81 | 5.19 | 1.62 |
| Dec | 6.02 | 4.91 | 1.11 |
39.47 | 30.84 | 8.63 |