| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.43 | 4.54 | -0.11 |
| Feb | 3.88 | 4.01 | -0.13 |
| Mar | 4.67 | 4.44 | 0.23 |
| Apr | 3.42 | 3.46 | -0.04 |
| May | 2.80 | 2.67 | 0.13 |
| Jun | 6.04 | 6.15 | -0.11 |
| Jul | 5.81 | 5.83 | -0.02 |
| Aug | 5.49 | 5.63 | -0.14 |
| Sep | 4.54 | 4.40 | 0.14 |
| Oct | 3.19 | 3.05 | 0.14 |
| Nov | 2.51 | 2.69 | -0.18 |
| Dec | 3.51 | 3.63 | -0.12 |
50.29 | 50.50 | -0.21 |