| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.40 | -0.14 |
| Feb | 2.90 | 3.01 | -0.11 |
| Mar | 3.75 | 3.92 | -0.17 |
| Apr | 3.87 | 4.00 | -0.13 |
| May | 3.46 | 3.61 | -0.15 |
| Jun | 4.45 | 4.51 | -0.06 |
| Jul | 3.93 | 4.04 | -0.11 |
| Aug | 4.31 | 4.22 | 0.09 |
| Sep | 4.17 | 4.29 | -0.12 |
| Oct | 4.53 | 4.72 | -0.19 |
| Nov | 3.54 | 3.67 | -0.13 |
| Dec | 4.07 | 4.31 | -0.24 |
46.24 | 47.70 | -1.46 |