| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.67 | -0.01 |
| Feb | 1.81 | 1.74 | 0.07 |
| Mar | 2.53 | 2.60 | -0.07 |
| Apr | 2.42 | 2.32 | 0.10 |
| May | 4.31 | 4.15 | 0.16 |
| Jun | 2.93 | 3.15 | -0.22 |
| Jul | 1.93 | 1.95 | -0.02 |
| Aug | 2.24 | 2.25 | -0.01 |
| Sep | 3.38 | 3.60 | -0.22 |
| Oct | 2.90 | 3.03 | -0.13 |
| Nov | 2.26 | 2.28 | -0.02 |
| Dec | 1.83 | 1.92 | -0.09 |
30.20 | 30.66 | -0.46 |