| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.40 | 4.54 | -0.14 |
| Feb | 4.63 | 5.07 | -0.44 |
| Mar | 4.69 | 5.28 | -0.59 |
| Apr | 3.85 | 4.04 | -0.19 |
| May | 3.13 | 2.98 | 0.15 |
| Jun | 5.60 | 5.20 | 0.40 |
| Jul | 7.01 | 6.50 | 0.51 |
| Aug | 7.56 | 7.77 | -0.21 |
| Sep | 5.82 | 5.64 | 0.18 |
| Oct | 3.45 | 3.66 | -0.21 |
| Nov | 3.46 | 3.94 | -0.48 |
| Dec | 4.43 | 4.81 | -0.38 |
58.03 | 59.43 | -1.40 |