| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.53 | 0.03 |
| Feb | 2.84 | 2.83 | 0.01 |
| Mar | 4.10 | 4.15 | -0.05 |
| Apr | 3.81 | 3.80 | 0.01 |
| May | 4.11 | 3.96 | 0.15 |
| Jun | 4.51 | 4.39 | 0.12 |
| Jul | 4.90 | 4.92 | -0.02 |
| Aug | 4.60 | 4.45 | 0.15 |
| Sep | 4.38 | 4.15 | 0.23 |
| Oct | 4.33 | 4.22 | 0.11 |
| Nov | 3.29 | 3.30 | -0.01 |
| Dec | 4.27 | 4.24 | 0.03 |
48.70 | 47.94 | 0.76 |