| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.40 | -0.17 |
| Feb | 3.12 | 3.02 | 0.10 |
| Mar | 4.10 | 4.09 | 0.01 |
| Apr | 4.60 | 4.63 | -0.03 |
| May | 4.93 | 4.93 | 0.00 |
| Jun | 4.87 | 4.66 | 0.21 |
| Jul | 4.34 | 4.21 | 0.13 |
| Aug | 3.42 | 3.29 | 0.13 |
| Sep | 3.22 | 3.29 | -0.07 |
| Oct | 3.28 | 3.26 | 0.02 |
| Nov | 3.20 | 3.25 | -0.05 |
| Dec | 3.65 | 3.73 | -0.08 |
45.96 | 45.76 | 0.20 |