| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.68 | -0.01 |
| Feb | 1.79 | 1.83 | -0.04 |
| Mar | 3.18 | 3.21 | -0.03 |
| Apr | 4.61 | 4.80 | -0.19 |
| May | 6.60 | 7.05 | -0.45 |
| Jun | 5.30 | 5.46 | -0.16 |
| Jul | 3.92 | 4.01 | -0.09 |
| Aug | 4.01 | 3.97 | 0.04 |
| Sep | 4.39 | 4.44 | -0.05 |
| Oct | 3.83 | 3.83 | 0.00 |
| Nov | 2.85 | 2.87 | -0.02 |
| Dec | 2.22 | 2.32 | -0.10 |
44.37 | 45.47 | -1.10 |