| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.54 | -0.23 |
| Feb | 2.76 | 2.89 | -0.13 |
| Mar | 4.17 | 4.37 | -0.20 |
| Apr | 3.63 | 3.60 | 0.03 |
| May | 3.48 | 3.60 | -0.12 |
| Jun | 4.20 | 4.23 | -0.03 |
| Jul | 4.59 | 4.54 | 0.05 |
| Aug | 4.44 | 4.66 | -0.22 |
| Sep | 4.48 | 4.28 | 0.20 |
| Oct | 3.77 | 4.00 | -0.23 |
| Nov | 3.11 | 3.18 | -0.07 |
| Dec | 4.07 | 4.33 | -0.26 |
46.01 | 47.22 | -1.21 |