| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.91 | -0.02 |
| Feb | 0.96 | 0.96 | 0.00 |
| Mar | 1.81 | 1.77 | 0.04 |
| Apr | 3.18 | 2.93 | 0.25 |
| May | 4.35 | 4.34 | 0.01 |
| Jun | 5.37 | 5.17 | 0.20 |
| Jul | 4.49 | 4.07 | 0.42 |
| Aug | 4.59 | 4.56 | 0.03 |
| Sep | 3.64 | 3.44 | 0.20 |
| Oct | 2.64 | 2.49 | 0.15 |
| Nov | 1.65 | 1.64 | 0.01 |
| Dec | 1.16 | 1.24 | -0.08 |
34.73 | 33.52 | 1.21 |