| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.36 | 0.21 |
| Feb | 3.00 | 2.87 | 0.13 |
| Mar | 3.88 | 3.85 | 0.03 |
| Apr | 3.53 | 3.50 | 0.03 |
| May | 3.63 | 3.48 | 0.15 |
| Jun | 4.58 | 4.51 | 0.07 |
| Jul | 5.08 | 4.93 | 0.15 |
| Aug | 4.82 | 4.94 | -0.12 |
| Sep | 4.93 | 5.13 | -0.20 |
| Oct | 3.42 | 3.56 | -0.14 |
| Nov | 3.43 | 3.32 | 0.11 |
| Dec | 3.44 | 3.44 | 0.00 |
47.31 | 46.89 | 0.42 |