| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.56 | 0.03 |
| Feb | 1.55 | 1.50 | 0.05 |
| Mar | 2.40 | 2.37 | 0.03 |
| Apr | 2.20 | 2.32 | -0.12 |
| May | 4.08 | 4.42 | -0.34 |
| Jun | 3.40 | 3.34 | 0.06 |
| Jul | 2.73 | 2.77 | -0.04 |
| Aug | 2.15 | 2.50 | -0.35 |
| Sep | 3.60 | 3.93 | -0.33 |
| Oct | 3.25 | 3.18 | 0.07 |
| Nov | 2.06 | 2.14 | -0.08 |
| Dec | 1.55 | 1.54 | 0.01 |
30.56 | 31.57 | -1.01 |