| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.54 | -0.21 |
| Feb | 2.95 | 3.01 | -0.06 |
| Mar | 3.56 | 3.74 | -0.18 |
| Apr | 3.33 | 3.46 | -0.13 |
| May | 3.22 | 3.46 | -0.24 |
| Jun | 4.60 | 4.60 | 0.00 |
| Jul | 5.16 | 5.17 | -0.01 |
| Aug | 4.55 | 4.94 | -0.39 |
| Sep | 4.80 | 5.26 | -0.46 |
| Oct | 3.23 | 3.41 | -0.18 |
| Nov | 3.36 | 3.36 | 0.00 |
| Dec | 3.30 | 3.44 | -0.14 |
45.39 | 47.39 | -2.00 |