| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.77 | 0.02 |
| Feb | 2.67 | 2.58 | 0.09 |
| Mar | 4.29 | 4.38 | -0.09 |
| Apr | 4.98 | 5.00 | -0.02 |
| May | 5.20 | 5.03 | 0.17 |
| Jun | 3.72 | 3.88 | -0.16 |
| Jul | 3.86 | 3.76 | 0.10 |
| Aug | 3.33 | 3.14 | 0.19 |
| Sep | 3.98 | 3.87 | 0.11 |
| Oct | 3.72 | 3.62 | 0.10 |
| Nov | 4.17 | 4.07 | 0.10 |
| Dec | 3.21 | 3.12 | 0.09 |
45.92 | 45.22 | 0.70 |