| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.64 | -0.09 |
| Feb | 3.64 | 3.70 | -0.06 |
| Mar | 4.57 | 4.66 | -0.09 |
| Apr | 4.63 | 4.66 | -0.03 |
| May | 5.16 | 5.30 | -0.14 |
| Jun | 4.70 | 4.96 | -0.26 |
| Jul | 4.80 | 4.94 | -0.14 |
| Aug | 3.33 | 3.46 | -0.13 |
| Sep | 3.77 | 3.60 | 0.17 |
| Oct | 3.61 | 3.48 | 0.13 |
| Nov | 3.26 | 3.37 | -0.11 |
| Dec | 4.18 | 4.30 | -0.12 |
49.20 | 50.07 | -0.87 |