| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.51 | 0.07 |
| Feb | 3.05 | 2.93 | 0.12 |
| Mar | 3.77 | 3.77 | 0.00 |
| Apr | 3.40 | 3.44 | -0.04 |
| May | 3.60 | 3.58 | 0.02 |
| Jun | 4.67 | 4.47 | 0.20 |
| Jul | 5.24 | 5.42 | -0.18 |
| Aug | 4.95 | 5.12 | -0.17 |
| Sep | 5.15 | 5.15 | 0.00 |
| Oct | 3.28 | 3.37 | -0.09 |
| Nov | 3.38 | 3.28 | 0.10 |
| Dec | 3.39 | 3.40 | -0.01 |
47.46 | 47.44 | 0.02 |