| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.50 | -0.03 |
| Feb | 0.55 | 0.57 | -0.02 |
| Mar | 1.21 | 1.23 | -0.02 |
| Apr | 2.08 | 1.96 | 0.12 |
| May | 2.60 | 2.69 | -0.09 |
| Jun | 1.77 | 1.70 | 0.07 |
| Jul | 1.64 | 1.57 | 0.07 |
| Aug | 1.46 | 1.28 | 0.18 |
| Sep | 1.35 | 1.32 | 0.03 |
| Oct | 1.14 | 1.12 | 0.02 |
| Nov | 0.77 | 0.73 | 0.04 |
| Dec | 0.47 | 0.54 | -0.07 |
15.51 | 15.21 | 0.30 |