| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.99 | -0.21 |
| Feb | 0.79 | 0.95 | -0.16 |
| Mar | 1.64 | 1.77 | -0.13 |
| Apr | 2.91 | 3.10 | -0.19 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.60 | 4.94 | -0.34 |
| Jul | 4.22 | 4.21 | 0.01 |
| Aug | 4.58 | 4.40 | 0.18 |
| Sep | 3.35 | 3.31 | 0.04 |
| Oct | 2.72 | 2.92 | -0.20 |
| Nov | 1.59 | 1.74 | -0.15 |
| Dec | 1.15 | 1.35 | -0.20 |
32.47 | 33.92 | -1.45 |