| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.24 | 6.39 | -0.15 |
| Feb | 4.60 | 4.78 | -0.18 |
| Mar | 4.64 | 5.10 | -0.46 |
| Apr | 3.47 | 3.77 | -0.30 |
| May | 2.52 | 2.62 | -0.10 |
| Jun | 1.61 | 1.70 | -0.09 |
| Jul | 0.42 | 0.43 | -0.01 |
| Aug | 0.56 | 0.56 | 0.00 |
| Sep | 1.57 | 1.60 | -0.03 |
| Oct | 3.94 | 4.08 | -0.14 |
| Nov | 6.59 | 6.63 | -0.04 |
| Dec | 7.29 | 7.50 | -0.21 |
43.45 | 45.16 | -1.71 |