| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.94 | -0.09 |
| Feb | 0.86 | 0.92 | -0.06 |
| Mar | 1.36 | 1.38 | -0.02 |
| Apr | 2.40 | 2.43 | -0.03 |
| May | 3.31 | 3.42 | -0.11 |
| Jun | 4.59 | 4.58 | 0.01 |
| Jul | 4.23 | 4.27 | -0.04 |
| Aug | 3.77 | 3.93 | -0.16 |
| Sep | 3.21 | 3.37 | -0.16 |
| Oct | 2.98 | 3.16 | -0.18 |
| Nov | 1.63 | 1.75 | -0.12 |
| Dec | 1.26 | 1.42 | -0.16 |
30.45 | 31.57 | -1.12 |