| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 5.56 | -0.64 |
| Feb | 4.58 | 4.76 | -0.18 |
| Mar | 4.87 | 5.22 | -0.35 |
| Apr | 4.92 | 5.35 | -0.43 |
| May | 3.47 | 4.07 | -0.60 |
| Jun | 6.10 | 7.16 | -1.06 |
| Jul | 6.70 | 7.42 | -0.72 |
| Aug | 6.79 | 6.81 | -0.02 |
| Sep | 5.92 | 6.13 | -0.21 |
| Oct | 4.21 | 4.25 | -0.04 |
| Nov | 4.20 | 4.51 | -0.31 |
| Dec | 5.01 | 5.31 | -0.30 |
61.69 | 66.55 | -4.86 |