| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.70 | 6.86 | -0.16 |
| Feb | 4.76 | 4.62 | 0.14 |
| Mar | 5.01 | 5.24 | -0.23 |
| Apr | 3.96 | 4.17 | -0.21 |
| May | 2.79 | 2.60 | 0.19 |
| Jun | 1.85 | 1.83 | 0.02 |
| Jul | 0.59 | 0.51 | 0.08 |
| Aug | 0.80 | 0.72 | 0.08 |
| Sep | 2.02 | 2.01 | 0.01 |
| Oct | 4.30 | 4.33 | -0.03 |
| Nov | 7.17 | 7.04 | 0.13 |
| Dec | 7.59 | 7.67 | -0.08 |
47.54 | 47.60 | -0.06 |