| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.61 | 0.01 |
| Feb | 4.34 | 4.58 | -0.24 |
| Mar | 4.63 | 5.06 | -0.43 |
| Apr | 4.01 | 4.37 | -0.36 |
| May | 3.23 | 3.27 | -0.04 |
| Jun | 4.21 | 4.26 | -0.05 |
| Jul | 4.69 | 5.09 | -0.40 |
| Aug | 4.60 | 4.47 | 0.13 |
| Sep | 3.66 | 3.66 | 0.00 |
| Oct | 2.81 | 3.11 | -0.30 |
| Nov | 3.60 | 3.99 | -0.39 |
| Dec | 4.88 | 5.07 | -0.19 |
49.28 | 51.54 | -2.26 |