| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.50 | 2.48 | 0.02 |
| Feb | 2.06 | 1.96 | 0.10 |
| Mar | 2.57 | 2.61 | -0.04 |
| Apr | 3.29 | 3.23 | 0.06 |
| May | 3.92 | 3.85 | 0.07 |
| Jun | 4.63 | 4.39 | 0.24 |
| Jul | 4.32 | 4.48 | -0.16 |
| Aug | 4.19 | 4.01 | 0.18 |
| Sep | 3.85 | 3.63 | 0.22 |
| Oct | 4.17 | 3.97 | 0.20 |
| Nov | 3.11 | 3.04 | 0.07 |
| Dec | 3.00 | 2.90 | 0.10 |
41.61 | 40.55 | 1.06 |