| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.53 | -0.22 |
| Feb | 2.78 | 2.89 | -0.11 |
| Mar | 4.15 | 4.37 | -0.22 |
| Apr | 3.63 | 3.61 | 0.02 |
| May | 3.45 | 3.60 | -0.15 |
| Jun | 4.19 | 4.21 | -0.02 |
| Jul | 4.57 | 4.52 | 0.05 |
| Aug | 4.41 | 4.63 | -0.22 |
| Sep | 4.58 | 4.30 | 0.28 |
| Oct | 3.75 | 4.00 | -0.25 |
| Nov | 3.09 | 3.18 | -0.09 |
| Dec | 4.04 | 4.32 | -0.28 |
45.95 | 47.16 | -1.21 |