| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.18 | -0.03 |
| Feb | 2.92 | 3.08 | -0.16 |
| Mar | 4.21 | 4.30 | -0.09 |
| Apr | 5.29 | 5.30 | -0.01 |
| May | 5.14 | 5.12 | 0.02 |
| Jun | 4.42 | 4.47 | -0.05 |
| Jul | 3.89 | 3.85 | 0.04 |
| Aug | 3.24 | 3.12 | 0.12 |
| Sep | 3.26 | 3.13 | 0.13 |
| Oct | 3.57 | 3.62 | -0.05 |
| Nov | 4.23 | 4.15 | 0.08 |
| Dec | 3.38 | 3.56 | -0.18 |
46.70 | 46.88 | -0.18 |