| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.92 | 0.07 |
| Feb | 1.02 | 1.05 | -0.03 |
| Mar | 1.89 | 1.75 | 0.14 |
| Apr | 3.20 | 2.97 | 0.23 |
| May | 4.28 | 4.46 | -0.18 |
| Jun | 5.31 | 5.31 | 0.00 |
| Jul | 4.04 | 4.21 | -0.17 |
| Aug | 4.43 | 4.26 | 0.17 |
| Sep | 3.75 | 3.80 | -0.05 |
| Oct | 2.46 | 2.57 | -0.11 |
| Nov | 1.77 | 1.58 | 0.19 |
| Dec | 1.32 | 1.24 | 0.08 |
34.46 | 34.12 | 0.34 |