| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.67 | -0.11 |
| Feb | 3.18 | 3.32 | -0.14 |
| Mar | 4.38 | 4.62 | -0.24 |
| Apr | 5.19 | 5.41 | -0.22 |
| May | 5.45 | 5.46 | -0.01 |
| Jun | 4.87 | 4.95 | -0.08 |
| Jul | 4.28 | 4.30 | -0.02 |
| Aug | 3.26 | 3.13 | 0.13 |
| Sep | 3.54 | 3.73 | -0.19 |
| Oct | 3.37 | 3.42 | -0.05 |
| Nov | 3.79 | 4.00 | -0.21 |
| Dec | 3.76 | 3.88 | -0.12 |
48.63 | 49.89 | -1.26 |