| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.70 | -0.08 |
| Feb | 2.24 | 2.40 | -0.16 |
| Mar | 3.21 | 3.19 | 0.02 |
| Apr | 2.50 | 2.73 | -0.23 |
| May | 3.53 | 3.67 | -0.14 |
| Jun | 8.00 | 7.87 | 0.13 |
| Jul | 7.22 | 7.69 | -0.47 |
| Aug | 7.40 | 7.74 | -0.34 |
| Sep | 6.47 | 6.52 | -0.05 |
| Oct | 3.60 | 4.05 | -0.45 |
| Nov | 1.94 | 2.14 | -0.20 |
| Dec | 2.33 | 2.46 | -0.13 |
51.06 | 53.16 | -2.10 |