| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.71 | -0.02 |
| Feb | 2.92 | 2.76 | 0.16 |
| Mar | 4.03 | 3.96 | 0.07 |
| Apr | 4.90 | 4.87 | 0.03 |
| May | 5.34 | 5.24 | 0.10 |
| Jun | 4.29 | 4.22 | 0.07 |
| Jul | 3.79 | 3.79 | 0.00 |
| Aug | 3.78 | 3.78 | 0.00 |
| Sep | 3.63 | 3.58 | 0.05 |
| Oct | 3.23 | 3.18 | 0.05 |
| Nov | 3.87 | 3.66 | 0.21 |
| Dec | 2.82 | 2.96 | -0.14 |
45.29 | 44.71 | 0.58 |