| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.68 | -0.08 |
| Feb | 3.00 | 2.90 | 0.10 |
| Mar | 4.19 | 4.21 | -0.02 |
| Apr | 3.64 | 3.70 | -0.06 |
| May | 3.63 | 3.66 | -0.03 |
| Jun | 4.21 | 4.09 | 0.12 |
| Jul | 4.53 | 4.42 | 0.11 |
| Aug | 4.33 | 4.23 | 0.10 |
| Sep | 4.94 | 5.01 | -0.07 |
| Oct | 3.38 | 3.31 | 0.07 |
| Nov | 3.30 | 3.31 | -0.01 |
| Dec | 3.56 | 3.48 | 0.08 |
46.31 | 46.00 | 0.31 |