| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.58 | -0.07 |
| Feb | 3.45 | 3.56 | -0.11 |
| Mar | 4.52 | 4.54 | -0.02 |
| Apr | 4.98 | 4.90 | 0.08 |
| May | 5.43 | 5.28 | 0.15 |
| Jun | 5.09 | 4.92 | 0.17 |
| Jul | 4.84 | 4.55 | 0.29 |
| Aug | 3.62 | 3.32 | 0.30 |
| Sep | 3.56 | 3.60 | -0.04 |
| Oct | 3.76 | 3.62 | 0.14 |
| Nov | 3.56 | 3.55 | 0.01 |
| Dec | 4.20 | 4.21 | -0.01 |
50.52 | 49.63 | 0.89 |