| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.64 | -0.37 |
| Feb | 1.78 | 2.06 | -0.28 |
| Mar | 2.10 | 2.41 | -0.31 |
| Apr | 3.31 | 3.63 | -0.32 |
| May | 4.20 | 4.22 | -0.02 |
| Jun | 3.80 | 3.81 | -0.01 |
| Jul | 3.58 | 3.63 | -0.05 |
| Aug | 3.66 | 3.93 | -0.27 |
| Sep | 3.18 | 3.28 | -0.10 |
| Oct | 3.60 | 3.85 | -0.25 |
| Nov | 2.56 | 2.85 | -0.29 |
| Dec | 2.13 | 2.45 | -0.32 |
36.17 | 38.76 | -2.59 |