| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.60 | -0.01 |
| Feb | 1.81 | 1.73 | 0.08 |
| Mar | 2.52 | 2.37 | 0.15 |
| Apr | 2.34 | 2.31 | 0.03 |
| May | 4.20 | 4.17 | 0.03 |
| Jun | 3.01 | 2.98 | 0.03 |
| Jul | 1.87 | 2.08 | -0.21 |
| Aug | 2.25 | 2.21 | 0.04 |
| Sep | 3.32 | 3.07 | 0.25 |
| Oct | 2.91 | 2.85 | 0.06 |
| Nov | 2.18 | 2.19 | -0.01 |
| Dec | 1.76 | 1.85 | -0.09 |
29.76 | 29.41 | 0.35 |