| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.29 | 6.67 | 1.62 |
| Feb | 7.13 | 5.91 | 1.22 |
| Mar | 6.93 | 6.02 | 0.91 |
| Apr | 4.18 | 3.98 | 0.20 |
| May | 1.97 | 1.86 | 0.11 |
| Jun | 0.75 | 0.85 | -0.10 |
| Jul | 0.14 | 0.21 | -0.07 |
| Aug | 0.17 | 0.19 | -0.02 |
| Sep | 0.67 | 0.64 | 0.03 |
| Oct | 2.72 | 2.34 | 0.38 |
| Nov | 5.74 | 4.90 | 0.84 |
| Dec | 9.76 | 8.19 | 1.57 |
48.45 | 41.76 | 6.69 |