| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.03 | -0.02 |
| Feb | 2.69 | 2.67 | 0.02 |
| Mar | 3.21 | 3.19 | 0.02 |
| Apr | 2.55 | 2.60 | -0.05 |
| May | 3.51 | 3.70 | -0.19 |
| Jun | 6.92 | 7.05 | -0.13 |
| Jul | 6.31 | 6.27 | 0.04 |
| Aug | 7.10 | 6.99 | 0.11 |
| Sep | 7.15 | 7.16 | -0.01 |
| Oct | 4.22 | 4.11 | 0.11 |
| Nov | 2.61 | 2.39 | 0.22 |
| Dec | 2.63 | 2.57 | 0.06 |
51.91 | 51.73 | 0.18 |