| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.21 | -0.12 |
| Feb | 3.26 | 3.27 | -0.01 |
| Mar | 3.60 | 3.69 | -0.09 |
| Apr | 3.73 | 3.65 | 0.08 |
| May | 4.70 | 4.78 | -0.08 |
| Jun | 5.10 | 4.67 | 0.43 |
| Jul | 3.50 | 3.23 | 0.27 |
| Aug | 4.16 | 3.96 | 0.20 |
| Sep | 4.22 | 4.31 | -0.09 |
| Oct | 5.20 | 5.13 | 0.07 |
| Nov | 4.43 | 4.62 | -0.19 |
| Dec | 4.22 | 4.24 | -0.02 |
50.21 | 49.76 | 0.45 |