| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.77 | 0.05 |
| Feb | 2.22 | 2.16 | 0.06 |
| Mar | 3.40 | 3.26 | 0.14 |
| Apr | 3.24 | 3.18 | 0.06 |
| May | 4.22 | 3.92 | 0.30 |
| Jun | 4.25 | 3.93 | 0.32 |
| Jul | 4.27 | 3.96 | 0.31 |
| Aug | 3.60 | 3.78 | -0.18 |
| Sep | 4.17 | 4.03 | 0.14 |
| Oct | 2.83 | 2.62 | 0.21 |
| Nov | 2.74 | 2.63 | 0.11 |
| Dec | 3.03 | 2.85 | 0.18 |
40.79 | 39.09 | 1.70 |