| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.24 | 6.47 | -0.23 |
| Feb | 4.60 | 5.03 | -0.43 |
| Mar | 4.64 | 5.34 | -0.70 |
| Apr | 3.47 | 3.93 | -0.46 |
| May | 2.52 | 2.66 | -0.14 |
| Jun | 1.61 | 1.74 | -0.13 |
| Jul | 0.42 | 0.46 | -0.04 |
| Aug | 0.56 | 0.56 | 0.00 |
| Sep | 1.57 | 1.63 | -0.06 |
| Oct | 3.94 | 4.34 | -0.40 |
| Nov | 6.59 | 6.83 | -0.24 |
| Dec | 7.29 | 7.74 | -0.45 |
43.45 | 46.73 | -3.28 |