| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.89 | -0.15 |
| Feb | 0.77 | 0.89 | -0.12 |
| Mar | 1.56 | 1.61 | -0.05 |
| Apr | 2.92 | 2.98 | -0.06 |
| May | 4.19 | 4.23 | -0.04 |
| Jun | 4.67 | 4.54 | 0.13 |
| Jul | 4.15 | 4.22 | -0.07 |
| Aug | 4.38 | 4.47 | -0.09 |
| Sep | 3.34 | 3.31 | 0.03 |
| Oct | 2.64 | 2.63 | 0.01 |
| Nov | 1.53 | 1.59 | -0.06 |
| Dec | 1.03 | 1.24 | -0.21 |
31.92 | 32.60 | -0.68 |